12356404 has 24 divisors (see below), whose sum is σ = 22264200. Its totient is φ = 5998080.

The previous prime is 12356401. The next prime is 12356411. The reversal of 12356404 is 40465321.

12356404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 810000 + 11546404 = 900^2 + 3398^2 .

It is a super-2 number, since 2×12356404² = 305361439622432, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12356401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21432 + ... + 22000.

It is an arithmetic number, because the mean of its divisors is an integer number (927675).

Almost surely, 2^12356404 is an apocalyptic number.

It is an amenable number.

12356404 is a deficient number, since it is larger than the sum of its proper divisors (9907796).

12356404 is a wasteful number, since it uses less digits than its factorization.

12356404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723 (or 721 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 12356404 is about 3515.1677058143. The cubic root of 12356404 is about 231.1873320326.

The spelling of 12356404 in words is "twelve million, three hundred fifty-six thousand, four hundred four".