12873918 has 32 divisors (see below), whose sum is σ = 26853120. Its totient is φ = 4111040.

The previous prime is 12873871. The next prime is 12873943. The reversal of 12873918 is 81937821.

12873918 is digitally balanced in base 2, 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 polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14071 + ... + 14957.

It is an arithmetic number, because the mean of its divisors is an integer number (839160).

Almost surely, 2^12873918 is an apocalyptic number.

12873918 is an abundant number, since it is smaller than the sum of its proper divisors (13979202).

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

12873918 is a wasteful number, since it uses less digits than its factorization.

12873918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992.

The product of its digits is 24192, while the sum is 39.

The square root of 12873918 is about 3588.0242474097. The cubic root of 12873918 is about 234.3708415973.

The spelling of 12873918 in words is "twelve million, eight hundred seventy-three thousand, nine hundred eighteen".