12922424 has 16 divisors (see below), whose sum is σ = 24592200. Its totient is φ = 6364512.

The previous prime is 12922417. The next prime is 12922433. The reversal of 12922424 is 42422921.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12922393 and 12922402.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11519 + ... + 12590.

Almost surely, 2^12922424 is an apocalyptic number.

It is an amenable number.

12922424 is a deficient number, since it is larger than the sum of its proper divisors (11669776).

12922424 is a wasteful number, since it uses less digits than its factorization.

12922424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24182 (or 24178 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 12922424 is about 3594.7773227281. Note that the first 3 decimals coincide. The cubic root of 12922424 is about 234.6648247244.

The spelling of 12922424 in words is "twelve million, nine hundred twenty-two thousand, four hundred twenty-four".