12712408 has 16 divisors (see below), whose sum is σ = 24172560. Its totient is φ = 6266400.

The previous prime is 12712393. The next prime is 12712409. The reversal of 12712408 is 80421721.

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 3 ways as a sum of consecutive naturals, for example, 10623 + ... + 11758.

It is an arithmetic number, because the mean of its divisors is an integer number (1510785).

Almost surely, 2^12712408 is an apocalyptic number.

It is an amenable number.

12712408 is a deficient number, since it is larger than the sum of its proper divisors (11460152).

12712408 is a wasteful number, since it uses less digits than its factorization.

12712408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22458 (or 22454 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 12712408 is about 3565.4463956144. The cubic root of 12712408 is about 233.3866127765.

The spelling of 12712408 in words is "twelve million, seven hundred twelve thousand, four hundred eight".