12622880 has 24 divisors (see below), whose sum is σ = 29821932. Its totient is φ = 5049088.

The previous prime is 12622871. The next prime is 12622903. The reversal of 12622880 is 8822621.

It can be written as a sum of positive squares in 2 ways, for example, as 12418576 + 204304 = 3524^2 + 452^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39287 + ... + 39606.

Almost surely, 2^12622880 is an apocalyptic number.

12622880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12622880 is an abundant number, since it is smaller than the sum of its proper divisors (17199052).

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

12622880 is an equidigital number, since it uses as much as digits as its factorization.

12622880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78908 (or 78900 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 12622880 is about 3552.8692630042. The cubic root of 12622880 is about 232.8374411818.

The spelling of 12622880 in words is "twelve million, six hundred twenty-two thousand, eight hundred eighty".