12517339497 has 16 divisors (see below), whose sum is σ = 17993015040. Its totient is φ = 7694664192.

The previous prime is 12517339453. The next prime is 12517339511. The reversal of 12517339497 is 79493371521.

It is not a de Polignac number, because 12517339497 - 2¹⁰ = 12517338473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12517339447) 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, 136513 + ... + 208974.

It is an arithmetic number, because the mean of its divisors is an integer number (1124563440).

Almost surely, 2^12517339497 is an apocalyptic number.

It is an amenable number.

12517339497 is a deficient number, since it is larger than the sum of its proper divisors (5475675543).

12517339497 is a wasteful number, since it uses less digits than its factorization.

12517339497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346432.

The product of its digits is 1428840, while the sum is 51.

The spelling of 12517339497 in words is "twelve billion, five hundred seventeen million, three hundred thirty-nine thousand, four hundred ninety-seven".