12038913 has 24 divisors (see below), whose sum is σ = 19106880. Its totient is φ = 7270560.

The previous prime is 12038879. The next prime is 12038933. The reversal of 12038913 is 31983021.

12038913 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12038913 - 2⁸ = 12038657 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12038933) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2403 + ... + 5463.

It is an arithmetic number, because the mean of its divisors is an integer number (796120).

Almost surely, 2^12038913 is an apocalyptic number.

It is an amenable number.

12038913 is a deficient number, since it is larger than the sum of its proper divisors (7067967).

12038913 is a wasteful number, since it uses less digits than its factorization.

12038913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3109 (or 3106 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 12038913 is about 3469.7136769480. The cubic root of 12038913 is about 229.1900496398.

The spelling of 12038913 in words is "twelve million, thirty-eight thousand, nine hundred thirteen".