12939038 has 24 divisors (see below), whose sum is σ = 23769000. Its totient is φ = 5252688.

The previous prime is 12939037. The next prime is 12939061. The reversal of 12939038 is 83093921.

It is a junction number, because it is equal to n+sod(n) for n = 12938989 and 12939007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12939037) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1613 + ... + 5336.

It is an arithmetic number, because the mean of its divisors is an integer number (990375).

Almost surely, 2^12939038 is an apocalyptic number.

12939038 is a deficient number, since it is larger than the sum of its proper divisors (10829962).

12939038 is a wasteful number, since it uses less digits than its factorization.

12939038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6984 (or 6977 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 12939038 is about 3597.0874329101. The cubic root of 12939038 is about 234.7653489956.

The spelling of 12939038 in words is "twelve million, nine hundred thirty-nine thousand, thirty-eight".