12517692513 has 16 divisors (see below), whose sum is σ = 16763535360. Its totient is φ = 8308555136.

The previous prime is 12517692469. The next prime is 12517692521. The reversal of 12517692513 is 31529671521.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12517692513 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12517692533) 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, 807328 + ... + 822686.

It is an arithmetic number, because the mean of its divisors is an integer number (1047720960).

Almost surely, 2^12517692513 is an apocalyptic number.

It is an amenable number.

12517692513 is a deficient number, since it is larger than the sum of its proper divisors (4245842847).

12517692513 is a wasteful number, since it uses less digits than its factorization.

12517692513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16536.

The product of its digits is 113400, while the sum is 42.

The spelling of 12517692513 in words is "twelve billion, five hundred seventeen million, six hundred ninety-two thousand, five hundred thirteen".