12637625013 has 24 divisors (see below), whose sum is σ = 20292679680. Its totient is φ = 7526126880.

The previous prime is 12637624981. The next prime is 12637625083. The reversal of 12637625013 is 31052673621.

12637625013 is a `hidden beast` number, since 1 + 2 + 637 + 6 + 2 + 5 + 0 + 13 = 666.

It is not a de Polignac number, because 12637625013 - 2⁵ = 12637624981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12637625083) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1738533 + ... + 1745786.

It is an arithmetic number, because the mean of its divisors is an integer number (845528320).

Almost surely, 2^12637625013 is an apocalyptic number.

12637625013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12637625013 is a deficient number, since it is larger than the sum of its proper divisors (7655054667).

12637625013 is a wasteful number, since it uses less digits than its factorization.

12637625013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3484369 (or 3484366 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The spelling of 12637625013 in words is "twelve billion, six hundred thirty-seven million, six hundred twenty-five thousand, thirteen".