12907173894 has 16 divisors (see below), whose sum is σ = 25816427568. Its totient is φ = 4302044672.

The previous prime is 12907173889. The next prime is 12907173911. The reversal of 12907173894 is 49837170921.

12907173894 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 814 + ... + 160670.

It is an arithmetic number, because the mean of its divisors is an integer number (1613526723).

Almost surely, 2^12907173894 is an apocalyptic number.

12907173894 is an abundant number, since it is smaller than the sum of its proper divisors (12909253674).

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

12907173894 is a wasteful number, since it uses less digits than its factorization.

12907173894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173319.

The product of its (nonzero) digits is 762048, while the sum is 51.

The spelling of 12907173894 in words is "twelve billion, nine hundred seven million, one hundred seventy-three thousand, eight hundred ninety-four".