12807807564 has 24 divisors (see below), whose sum is σ = 29916468288. Its totient is φ = 4264757200.

The previous prime is 12807807559. The next prime is 12807807611. The reversal of 12807807564 is 46570870821.

It is a super-2 number, since 2×12807807564² (a number of 21 digits) contains 22 as substring.

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, 552162 + ... + 574889.

It is an arithmetic number, because the mean of its divisors is an integer number (1246519512).

Almost surely, 2^12807807564 is an apocalyptic number.

It is an amenable number.

12807807564 is an abundant number, since it is smaller than the sum of its proper divisors (17108660724).

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

12807807564 is a wasteful number, since it uses less digits than its factorization.

12807807564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1128005 (or 1128003 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 12807807564 in words is "twelve billion, eight hundred seven million, eight hundred seven thousand, five hundred sixty-four".