12875408 has 80 divisors (see below), whose sum is σ = 31664640. Its totient is φ = 4935168.

The previous prime is 12875399. The next prime is 12875411. The reversal of 12875408 is 80457821.

It is a super-2 number, since 2×12875408² = 331552262332928, which contains 22 as substring.

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, 53753 + ... + 53991.

It is an arithmetic number, because the mean of its divisors is an integer number (395808).

Almost surely, 2^12875408 is an apocalyptic number.

12875408 is the 2072-nd octagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12875408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15832320).

12875408 is an abundant number, since it is smaller than the sum of its proper divisors (18789232).

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

12875408 is a wasteful number, since it uses less digits than its factorization.

12875408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304 (or 298 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 12875408 is about 3588.2318765654. The cubic root of 12875408 is about 234.3798831101.

The spelling of 12875408 in words is "twelve million, eight hundred seventy-five thousand, four hundred eight".