12647837872860 has 24 divisors (see below), whose sum is σ = 35413946044176. Its totient is φ = 3372756766080.

The previous prime is 12647837872849. The next prime is 12647837872889. The reversal of 12647837872860 is 6827873874621.

It is a congruent number.

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, 105398648881 + ... + 105398649000.

It is an arithmetic number, because the mean of its divisors is an integer number (1475581085174).

Almost surely, 2^{12647837872860} is an apocalyptic number.

12647837872860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12647837872860 is an abundant number, since it is smaller than the sum of its proper divisors (22766108171316).

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

12647837872860 is a wasteful number, since it uses less digits than its factorization.

12647837872860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210797297893 (or 210797297891 counting only the distinct ones).

The product of its (nonzero) digits is 303464448, while the sum is 69.

The spelling of 12647837872860 in words is "twelve trillion, six hundred forty-seven billion, eight hundred thirty-seven million, eight hundred seventy-two thousand, eight hundred sixty".