12813841908 has 72 divisors (see below), whose sum is σ = 38966083520. Its totient is φ = 3468407040.

The previous prime is 12813841891. The next prime is 12813841939. The reversal of 12813841908 is 80914831821.

12813841908 is a `hidden beast` number, since 1 + 2 + 81 + 384 + 190 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1333333 + ... + 1342908.

Almost surely, 2^12813841908 is an apocalyptic number.

12813841908 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12813841908 is an abundant number, since it is smaller than the sum of its proper divisors (26152241612).

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

12813841908 is a wasteful number, since it uses less digits than its factorization.

12813841908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676277 (or 2676272 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The spelling of 12813841908 in words is "twelve billion, eight hundred thirteen million, eight hundred forty-one thousand, nine hundred eight".