12717715507 has 16 divisors (see below), whose sum is σ = 14627010240. Its totient is φ = 10831675392.

The previous prime is 12717715499. The next prime is 12717715529. The reversal of 12717715507 is 70551771721.

It is a cyclic number.

It is not a de Polignac number, because 12717715507 - 2³ = 12717715499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12717715547) 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, 1250013 + ... + 1260145.

It is an arithmetic number, because the mean of its divisors is an integer number (914188140).

Almost surely, 2^12717715507 is an apocalyptic number.

12717715507 is a deficient number, since it is larger than the sum of its proper divisors (1909294733).

12717715507 is a wasteful number, since it uses less digits than its factorization.

12717715507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11262.

The product of its (nonzero) digits is 120050, while the sum is 43.

The spelling of 12717715507 in words is "twelve billion, seven hundred seventeen million, seven hundred fifteen thousand, five hundred seven".