12909088 has 24 divisors (see below), whose sum is σ = 25654860. Its totient is φ = 6393600.

The previous prime is 12909077. The next prime is 12909097. The reversal of 12909088 is 88090921.

It can be written as a sum of positive squares in 2 ways, for example, as 12873744 + 35344 = 3588^2 + 188^2 .

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, 1638 + ... + 5338.

Almost surely, 2^12909088 is an apocalyptic number.

It is an amenable number.

12909088 is a deficient number, since it is larger than the sum of its proper divisors (12745772).

12909088 is a wasteful number, since it uses less digits than its factorization.

12909088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3820 (or 3812 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 12909088 is about 3592.9219306854. The cubic root of 12909088 is about 234.5840718855.

The spelling of 12909088 in words is "twelve million, nine hundred nine thousand, eighty-eight".