12513012536 has 32 divisors (see below), whose sum is σ = 24181310640. Its totient is φ = 6065860608.

The previous prime is 12513012517. The next prime is 12513012553. The reversal of 12513012536 is 63521031521.

It is a junction number, because it is equal to n+sod(n) for n = 12513012499 and 12513012508.

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, 9080 + ... + 158456.

Almost surely, 2^12513012536 is an apocalyptic number.

It is an amenable number.

12513012536 is a deficient number, since it is larger than the sum of its proper divisors (11668298104).

12513012536 is a wasteful number, since it uses less digits than its factorization.

12513012536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149703 (or 149699 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 29.

The spelling of 12513012536 in words is "twelve billion, five hundred thirteen million, twelve thousand, five hundred thirty-six".