12880768 has 32 divisors (see below), whose sum is σ = 25936560. Its totient is φ = 6371328.

The previous prime is 12880741. The next prime is 12880783. The reversal of 12880768 is 86708821.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 12880768.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12696 + ... + 13672.

Almost surely, 2^12880768 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 12880768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12968280).

12880768 is an abundant number, since it is smaller than the sum of its proper divisors (13055792).

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

12880768 is an equidigital number, since it uses as much as digits as its factorization.

12880768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1094 (or 1082 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 40.

The square root of 12880768 is about 3588.9786848071. The cubic root of 12880768 is about 234.4124025168.

The spelling of 12880768 in words is "twelve million, eight hundred eighty thousand, seven hundred sixty-eight".