12766424 has 32 divisors (see below), whose sum is σ = 26265600. Its totient is φ = 5769120.

The previous prime is 12766393. The next prime is 12766441. The reversal of 12766424 is 42466721.

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 7 ways as a sum of consecutive naturals, for example, 20729 + ... + 21335.

It is an arithmetic number, because the mean of its divisors is an integer number (820800).

Almost surely, 2^12766424 is an apocalyptic number.

It is an amenable number.

12766424 is an abundant number, since it is smaller than the sum of its proper divisors (13499176).

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

12766424 is a wasteful number, since it uses less digits than its factorization.

12766424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 863 (or 859 counting only the distinct ones).

The product of its digits is 16128, while the sum is 32.

The square root of 12766424 is about 3573.0132941258. The cubic root of 12766424 is about 233.7167049148.

The spelling of 12766424 in words is "twelve million, seven hundred sixty-six thousand, four hundred twenty-four".