12938456 has 16 divisors (see below), whose sum is σ = 24915840. Its totient is φ = 6294240.

The previous prime is 12938389. The next prime is 12938461. The reversal of 12938456 is 65483921.

It is a happy number.

12938456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×12938456³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21560 + ... + 22151.

It is an arithmetic number, because the mean of its divisors is an integer number (1557240).

Almost surely, 2^12938456 is an apocalyptic number.

It is an amenable number.

12938456 is a deficient number, since it is larger than the sum of its proper divisors (11977384).

12938456 is a wasteful number, since it uses less digits than its factorization.

12938456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43754 (or 43750 counting only the distinct ones).

The product of its digits is 51840, while the sum is 38.

The square root of 12938456 is about 3597.0065332162. The cubic root of 12938456 is about 234.7618290152.

The spelling of 12938456 in words is "twelve million, nine hundred thirty-eight thousand, four hundred fifty-six".