12256408 has 32 divisors (see below), whose sum is σ = 24082560. Its totient is φ = 5840640.

The previous prime is 12256403. The next prime is 12256421. The reversal of 12256408 is 80465221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12256403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17766 + ... + 18442.

It is an arithmetic number, because the mean of its divisors is an integer number (752580).

Almost surely, 2^12256408 is an apocalyptic number.

It is an amenable number.

12256408 is a deficient number, since it is larger than the sum of its proper divisors (11826152).

12256408 is a wasteful number, since it uses less digits than its factorization.

12256408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 787 (or 783 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The square root of 12256408 is about 3500.9153088871. The cubic root of 12256408 is about 230.5620030734.

The spelling of 12256408 in words is "twelve million, two hundred fifty-six thousand, four hundred eight".