Simon Cowell fears number 13

London: Media mogul Simon Cowell says he considers number 13 unlucky and tries to avoid it whenever possible.

The 54-year-old `X Factor` boss said he is obsessed with numbers, reported Daily Star.

I have some quirky habits. Everything about me is about numbers so for some reason I am always counting numbers in the head. Even if I walk up the stairs I am counting how many steps and if it is 13 I make sure it is not going to be 13," Cowell said.

"So the last number cannot be 13. It can`t be 67 either because 6 and 7 adds up to 13. So I will walk an extra step. It is a kind of sign of madness actually," he added.

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