12922408 has 16 divisors (see below), whose sum is σ = 24372180. Its totient is φ = 6423168.

The previous prime is 12922373. The next prime is 12922409. The reversal of 12922408 is 80422921.

It can be written as a sum of positive squares in 2 ways, for example, as 9746884 + 3175524 = 3122^2 + 1782^2 .

It is not an unprimeable number, because it can be changed into a prime (12922409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3285 + ... + 6052.

Almost surely, 2^12922408 is an apocalyptic number.

It is an amenable number.

12922408 is a deficient number, since it is larger than the sum of its proper divisors (11449772).

12922408 is a wasteful number, since it uses less digits than its factorization.

12922408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9516 (or 9512 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 12922408 is about 3594.7750972766. The cubic root of 12922408 is about 234.6647278737.

The spelling of 12922408 in words is "twelve million, nine hundred twenty-two thousand, four hundred eight".