13238812 has 6 divisors (see below), whose sum is σ = 23167928. Its totient is φ = 6619404.

The previous prime is 13238809. The next prime is 13238831. The reversal of 13238812 is 21883231.

It is a super-2 number, since 2×13238812² = 350532286342688, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1654848 + ... + 1654855.

Almost surely, 2^13238812 is an apocalyptic number.

It is an amenable number.

13238812 is a deficient number, since it is larger than the sum of its proper divisors (9929116).

13238812 is a wasteful number, since it uses less digits than its factorization.

13238812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309707 (or 3309705 counting only the distinct ones).

The product of its digits is 2304, while the sum is 28.

The square root of 13238812 is about 3638.5178301061. The cubic root of 13238812 is about 236.5645538016.

The spelling of 13238812 in words is "thirteen million, two hundred thirty-eight thousand, eight hundred twelve".