12213896 has 16 divisors (see below), whose sum is σ = 22950540. Its totient is φ = 6093760.

The previous prime is 12213893. The next prime is 12213913. The reversal of 12213896 is 69831221.

12213896 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 2 ways, for example, as 10797796 + 1416100 = 3286^2 + 1190^2 .

It is not an unprimeable number, because it can be changed into a prime (12213893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3086 + ... + 5826.

Almost surely, 2^12213896 is an apocalyptic number.

It is an amenable number.

12213896 is a deficient number, since it is larger than the sum of its proper divisors (10736644).

12213896 is a wasteful number, since it uses less digits than its factorization.

12213896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304 (or 3300 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 12213896 is about 3494.8384798156. The cubic root of 12213896 is about 230.2951221004.

The spelling of 12213896 in words is "twelve million, two hundred thirteen thousand, eight hundred ninety-six".