12371904 has 84 divisors (see below), whose sum is σ = 36295584. Its totient is φ = 4027392.

The previous prime is 12371881. The next prime is 12371921. The reversal of 12371904 is 40917321.

12371904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 26844 + ... + 27300.

It is a vampire number, since it can be written as 1371 ⋅ 9024 (with its own digits).

Almost surely, 2^12371904 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12371904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18147792).

12371904 is an abundant number, since it is smaller than the sum of its proper divisors (23923680).

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

12371904 is a wasteful number, since it uses less digits than its factorization.

12371904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522 (or 509 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 12371904 is about 3517.3717460627. The cubic root of 12371904 is about 231.2839595611.

It can be divided in two parts, 123 and 71904, that added together give a palindrome (72027).

The spelling of 12371904 in words is "twelve million, three hundred seventy-one thousand, nine hundred four".