12880868 has 48 divisors (see below), whose sum is σ = 30274944. Its totient is φ = 4631040.

The previous prime is 12880859. The next prime is 12880913. The reversal of 12880868 is 86808821.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2396 + ... + 5612.

It is an arithmetic number, because the mean of its divisors is an integer number (630728).

Almost surely, 2^12880868 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12880868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15137472).

12880868 is an abundant number, since it is smaller than the sum of its proper divisors (17394076).

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

12880868 is a wasteful number, since it uses less digits than its factorization.

12880868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3252 (or 3250 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 41.

The square root of 12880868 is about 3588.9926163201. The cubic root of 12880868 is about 234.4130091364.

The spelling of 12880868 in words is "twelve million, eight hundred eighty thousand, eight hundred sixty-eight".