12513412564 has 24 divisors (see below), whose sum is σ = 23249842560. Its totient is φ = 5872607616.

The previous prime is 12513412553. The next prime is 12513412577. The reversal of 12513412564 is 46521431521.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225754 + ... + 275665.

It is an arithmetic number, because the mean of its divisors is an integer number (968743440).

Almost surely, 2^12513412564 is an apocalyptic number.

It is an amenable number.

12513412564 is a deficient number, since it is larger than the sum of its proper divisors (10736429996).

12513412564 is a wasteful number, since it uses less digits than its factorization.

12513412564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501807 (or 501805 counting only the distinct ones).

The product of its digits is 28800, while the sum is 34.

The spelling of 12513412564 in words is "twelve billion, five hundred thirteen million, four hundred twelve thousand, five hundred sixty-four".