12547987504 has 40 divisors (see below), whose sum is σ = 27721975680. Its totient is φ = 5450707968.

The previous prime is 12547987499. The next prime is 12547987513. The reversal of 12547987504 is 40578974521.

12547987504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1770784 + ... + 1777855.

It is an arithmetic number, because the mean of its divisors is an integer number (693049392).

Almost surely, 2^12547987504 is an apocalyptic number.

It is an amenable number.

12547987504 is an abundant number, since it is smaller than the sum of its proper divisors (15173988176).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12547987504 is a wasteful number, since it uses less digits than its factorization.

12547987504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3548677 (or 3548671 counting only the distinct ones).

The product of its (nonzero) digits is 2822400, while the sum is 52.

The spelling of 12547987504 in words is "twelve billion, five hundred forty-seven million, nine hundred eighty-seven thousand, five hundred four".