11568213 has 12 divisors (see below), whose sum is σ = 16744000. Its totient is φ = 7696296.

The previous prime is 11568181. The next prime is 11568229. The reversal of 11568213 is 31286511.

11568213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11568213 - 2⁵ = 11568181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11568413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4788 + ... + 6786.

Almost surely, 2^11568213 is an apocalyptic number.

It is an amenable number.

11568213 is a deficient number, since it is larger than the sum of its proper divisors (5175787).

11568213 is a wasteful number, since it uses less digits than its factorization.

11568213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2648 (or 2645 counting only the distinct ones).

The product of its digits is 1440, while the sum is 27.

The square root of 11568213 is about 3401.2075796693. The cubic root of 11568213 is about 226.1632790361.

It can be divided in two parts, 11568 and 213, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 11568213 in words is "eleven million, five hundred sixty-eight thousand, two hundred thirteen".