12922456 has 8 divisors (see below), whose sum is σ = 24229620. Its totient is φ = 6461224.

The previous prime is 12922453. The next prime is 12922471. The reversal of 12922456 is 65422921.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12922453) by changing a digit.

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 as a sum of consecutive naturals, namely, 807646 + ... + 807661.

Almost surely, 2^12922456 is an apocalyptic number.

It is an amenable number.

12922456 is a deficient number, since it is larger than the sum of its proper divisors (11307164).

12922456 is a wasteful number, since it uses less digits than its factorization.

12922456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615313 (or 1615309 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 12922456 is about 3594.7817736269. The cubic root of 12922456 is about 234.6650184256.

The spelling of 12922456 in words is "twelve million, nine hundred twenty-two thousand, four hundred fifty-six".