12113904 has 40 divisors (see below), whose sum is σ = 34140672. Its totient is φ = 3670720.

The previous prime is 12113897. The next prime is 12113923. The reversal of 12113904 is 40931121.

It is a super-3 number, since 3×12113904³ (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 7 ways as a sum of consecutive naturals, for example, 10944 + ... + 11999.

Almost surely, 2^12113904 is an apocalyptic number.

It is an amenable number.

12113904 is an abundant number, since it is smaller than the sum of its proper divisors (22026768).

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

12113904 is a wasteful number, since it uses less digits than its factorization.

12113904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22965 (or 22959 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 12113904 is about 3480.5034118644. The cubic root of 12113904 is about 229.6649437704.

It can be divided in two parts, 1211 and 3904, that added together give a palindrome (5115).

The spelling of 12113904 in words is "twelve million, one hundred thirteen thousand, nine hundred four".