12507515713 has 48 divisors (see below), whose sum is σ = 16548166656. Its totient is φ = 9181228320.

The previous prime is 12507515711. The next prime is 12507515743. The reversal of 12507515713 is 31751570521.

It is not a de Polignac number, because 12507515713 - 2¹ = 12507515711 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12507515711) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2726820 + ... + 2731402.

It is an arithmetic number, because the mean of its divisors is an integer number (344753472).

Almost surely, 2^12507515713 is an apocalyptic number.

It is an amenable number.

12507515713 is a deficient number, since it is larger than the sum of its proper divisors (4040650943).

12507515713 is a wasteful number, since it uses less digits than its factorization.

12507515713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4714 (or 4691 counting only the distinct ones).

The product of its (nonzero) digits is 36750, while the sum is 37.

The spelling of 12507515713 in words is "twelve billion, five hundred seven million, five hundred fifteen thousand, seven hundred thirteen".