12873888 has 36 divisors (see below), whose sum is σ = 36610938. Its totient is φ = 4291200.

The previous prime is 12873871. The next prime is 12873943. The reversal of 12873888 is 88837821.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 12873744 + 144 = 3588^2 + 12^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22063 + ... + 22638.

Almost surely, 2^12873888 is an apocalyptic number.

12873888 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12873888 is an abundant number, since it is smaller than the sum of its proper divisors (23737050).

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

12873888 is a wasteful number, since it uses less digits than its factorization.

12873888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44717 (or 44706 counting only the distinct ones).

The product of its digits is 172032, while the sum is 45.

The square root of 12873888 is about 3588.0200668335. The cubic root of 12873888 is about 234.3706595463.

The spelling of 12873888 in words is "twelve million, eight hundred seventy-three thousand, eight hundred eighty-eight".