12804606636 has 24 divisors (see below), whose sum is σ = 29885398704. Its totient is φ = 4267061760.

The previous prime is 12804606523. The next prime is 12804606649. The reversal of 12804606636 is 63660640821.

It is a super-2 number, since 2×12804606636² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95145 + ... + 186176.

It is an arithmetic number, because the mean of its divisors is an integer number (1245224946).

Almost surely, 2^12804606636 is an apocalyptic number.

It is an amenable number.

12804606636 is an abundant number, since it is smaller than the sum of its proper divisors (17080792068).

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

12804606636 is a wasteful number, since it uses less digits than its factorization.

12804606636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285121 (or 285119 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The spelling of 12804606636 in words is "twelve billion, eight hundred four million, six hundred six thousand, six hundred thirty-six".