13808856312 has 48 divisors (see below), whose sum is σ = 37650015000. Its totient is φ = 4572056256.

The previous prime is 13808856263. The next prime is 13808856317. The reversal of 13808856312 is 21365880831.

13808856312 is a `hidden beast` number, since 1 + 3 + 8 + 0 + 8 + 8 + 5 + 631 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13808856317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 632862 + ... + 654317.

Almost surely, 2^13808856312 is an apocalyptic number.

13808856312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13808856312 is an abundant number, since it is smaller than the sum of its proper divisors (23841158688).

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

13808856312 is a wasteful number, since it uses less digits than its factorization.

13808856312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1287340 (or 1287333 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 13808856312 in words is "thirteen billion, eight hundred eight million, eight hundred fifty-six thousand, three hundred twelve".