12880944 has 60 divisors (see below), whose sum is σ = 37395176. Its totient is φ = 4292352.

The previous prime is 12880927. The next prime is 12880949. The reversal of 12880944 is 44908821.

It is a super-2 number, since 2×12880944² = 331837436662272, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 12880899 and 12880908.

It is not an unprimeable number, because it can be changed into a prime (12880949) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2232 + ... + 5544.

Almost surely, 2^12880944 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 12880944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18697588).

12880944 is an abundant number, since it is smaller than the sum of its proper divisors (24514232).

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

12880944 is an equidigital number, since it uses as much as digits as its factorization.

12880944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3336 (or 3318 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 12880944 is about 3589.0032042337. The cubic root of 12880944 is about 234.4134701652.

It can be divided in two parts, 12880 and 944, that added together give a cube (13824 = 24³).

The spelling of 12880944 in words is "twelve million, eight hundred eighty thousand, nine hundred forty-four".