12571938 has 24 divisors (see below), whose sum is σ = 28424448. Its totient is φ = 4008312.

The previous prime is 12571921. The next prime is 12571943. The reversal of 12571938 is 83917521.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14770 + ... + 15597.

It is an arithmetic number, because the mean of its divisors is an integer number (1184352).

Almost surely, 2^12571938 is an apocalyptic number.

12571938 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12571938 is an abundant number, since it is smaller than the sum of its proper divisors (15852510).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12571938 is a wasteful number, since it uses less digits than its factorization.

12571938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30398 (or 30395 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 12571938 is about 3545.6928801012. The cubic root of 12571938 is about 232.5237991593.

The spelling of 12571938 in words is "twelve million, five hundred seventy-one thousand, nine hundred thirty-eight".