12660513017 has 16 divisors (see below), whose sum is σ = 12853362240. Its totient is φ = 12469609152.

The previous prime is 12660513013. The next prime is 12660513049. The reversal of 12660513017 is 71031506621.

It is a cyclic number.

It is not a de Polignac number, because 12660513017 - 2² = 12660513013 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12660513013) 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, 11582723 + ... + 11583815.

It is an arithmetic number, because the mean of its divisors is an integer number (803335140).

Almost surely, 2^12660513017 is an apocalyptic number.

It is an amenable number.

12660513017 is a deficient number, since it is larger than the sum of its proper divisors (192849223).

12660513017 is a wasteful number, since it uses less digits than its factorization.

12660513017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832.

The product of its (nonzero) digits is 7560, while the sum is 32.

The spelling of 12660513017 in words is "twelve billion, six hundred sixty million, five hundred thirteen thousand, seventeen".