12438364 has 24 divisors (see below), whose sum is σ = 22514240. Its totient is φ = 6008256.

The previous prime is 12438311. The next prime is 12438403. The reversal of 12438364 is 46383421.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33709 + ... + 34075.

Almost surely, 2^12438364 is an apocalyptic number.

It is an amenable number.

12438364 is a deficient number, since it is larger than the sum of its proper divisors (10075876).

12438364 is a wasteful number, since it uses less digits than its factorization.

12438364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 637 (or 635 counting only the distinct ones).

The product of its digits is 13824, while the sum is 31.

The square root of 12438364 is about 3526.8064874614. The cubic root of 12438364 is about 231.6973610337.

The spelling of 12438364 in words is "twelve million, four hundred thirty-eight thousand, three hundred sixty-four".