The artist has stated many times to the media that the number 13 is her lucky number. But others are weary ... it actually doesn’t bring “bad luck,” researchers say. Friday the 13th has been associated with bad luck in modern society.

Taylor Swift has said 13 is her lucky number even when many still consider it unlucky. This year her birthday happens to fall on Friday the 13th.

Taylor Swift is officially 35 years old, and her Eras Tour crew is celebrating her birthday on Friday (Dec. 13). Her fan-favorite backup dancer, Kam Saunders, shared his final Eras "Bejeweled" solo via Instagram,

Friday the 13th has been far from unlucky when it comes to the stock market. A team of analysts at Bespoke Investment Group crunched the numbers, and found that the S&P 500's average gain on Friday the 13th has been notably higher than its average performance on all days.

The exact origins of Friday the 13th may be somewhat of a mystery of its own, but many agree it has roots in Christian stories.

Thirteen might be an unlucky number, but your fortunes are looking up as prices are going down, like saving up to 45% on top-reviewed tech from Apple, Sony, HP, and more.