12880908 has 72 divisors (see below), whose sum is σ = 34162128. Its totient is φ = 4088448.

The previous prime is 12880859. The next prime is 12880913. The reversal of 12880908 is 80908821.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 81966 + ... + 82122.

It is an arithmetic number, because the mean of its divisors is an integer number (474474).

Almost surely, 2^12880908 is an apocalyptic number.

12880908 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12880908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17081064).

12880908 is an abundant number, since it is smaller than the sum of its proper divisors (21281220).

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

12880908 is a wasteful number, since it uses less digits than its factorization.

12880908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 36.

The square root of 12880908 is about 3588.9981889101. The cubic root of 12880908 is about 234.4132517833.

The spelling of 12880908 in words is "twelve million, eight hundred eighty thousand, nine hundred eight".