12647252037 has 16 divisors (see below), whose sum is σ = 19305421952. Its totient is φ = 7214469120.

The previous prime is 12647252021. The next prime is 12647252039. The reversal of 12647252037 is 73025274621.

It is not a de Polignac number, because 12647252037 - 2⁴ = 12647252021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12647251986 and 12647252004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12647252039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 509764 + ... + 533997.

It is an arithmetic number, because the mean of its divisors is an integer number (1206588872).

Almost surely, 2^12647252037 is an apocalyptic number.

It is an amenable number.

12647252037 is a deficient number, since it is larger than the sum of its proper divisors (6658169915).

12647252037 is a wasteful number, since it uses less digits than its factorization.

12647252037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044348.

The product of its (nonzero) digits is 141120, while the sum is 39.

The spelling of 12647252037 in words is "twelve billion, six hundred forty-seven million, two hundred fifty-two thousand, thirty-seven".