12660246513 has 16 divisors (see below), whose sum is σ = 18809067840. Its totient is φ = 8416248192.

The previous prime is 12660246499. The next prime is 12660246601. The reversal of 12660246513 is 31564206621.

12660246513 is a `hidden beast` number, since 1 + 2 + 6 + 602 + 46 + 5 + 1 + 3 = 666.

It is not a de Polignac number, because 12660246513 - 2⁵ = 12660246481 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12660246013) 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, 654631 + ... + 673692.

It is an arithmetic number, because the mean of its divisors is an integer number (1175566740).

Almost surely, 2^12660246513 is an apocalyptic number.

It is an amenable number.

12660246513 is a deficient number, since it is larger than the sum of its proper divisors (6148821327).

12660246513 is a wasteful number, since it uses less digits than its factorization.

12660246513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328685 (or 1328679 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 12660246513 in words is "twelve billion, six hundred sixty million, two hundred forty-six thousand, five hundred thirteen".