As the self-proclaimed "Mastermind" herself, Taylor Swift is undeniably strategic with her career. The self-made businesswoman has broken countless records, won dozens of awards, and dominated the ...

Add Yahoo as a preferred source to see more of our stories on Google. For some, the number 13 is considered unlucky. But for Taylor Swift, the number 13 has been bringing her good fortune since birth.

As even a casual fan of Taylor Swift can tell you, the singer’s favorite number is 13. “I was born on the 13th. I turned 13 on Friday the 13th. My first album went gold in 13 weeks. My first No. 1 ...