12712404 has 24 divisors (see below), whose sum is σ = 29998080. Its totient is φ = 4189504.

The previous prime is 12712393. The next prime is 12712409. The reversal of 12712404 is 40421721.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12712409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4884 + ... + 7019.

It is an arithmetic number, because the mean of its divisors is an integer number (1249920).

Almost surely, 2^12712404 is an apocalyptic number.

It is an amenable number.

12712404 is an abundant number, since it is smaller than the sum of its proper divisors (17285676).

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

12712404 is a wasteful number, since it uses less digits than its factorization.

12712404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11999 (or 11997 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 21.

The square root of 12712404 is about 3565.4458346748. The cubic root of 12712404 is about 233.3865882979.

The spelling of 12712404 in words is "twelve million, seven hundred twelve thousand, four hundred four".