12496907529 has 12 divisors (see below), whose sum is σ = 18719647856. Its totient is φ = 8331271524.

The previous prime is 12496907477. The next prime is 12496907623. The reversal of 12496907529 is 92570969421.

12496907529 is a `hidden beast` number, since 1 + 24 + 9 + 6 + 90 + 7 + 529 = 666.

It is not a de Polignac number, because 12496907529 - 2¹⁹ = 12496383241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12496907029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25713559 + ... + 25714044.

Almost surely, 2^12496907529 is an apocalyptic number.

It is an amenable number.

12496907529 is a deficient number, since it is larger than the sum of its proper divisors (6222740327).

12496907529 is an frugal number, since it uses more digits than its factorization.

12496907529 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51427618 (or 51427606 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The spelling of 12496907529 in words is "twelve billion, four hundred ninety-six million, nine hundred seven thousand, five hundred twenty-nine".