13912213 has 16 divisors (see below), whose sum is σ = 16295040. Its totient is φ = 11632896.

The previous prime is 13912201. The next prime is 13912231. The reversal of 13912213 is 31221931.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13912213 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 (13912253) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85270 + ... + 85432.

It is an arithmetic number, because the mean of its divisors is an integer number (1018440).

Almost surely, 2^13912213 is an apocalyptic number.

It is an amenable number.

13912213 is a deficient number, since it is larger than the sum of its proper divisors (2382827).

13912213 is a wasteful number, since it uses less digits than its factorization.

13912213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396.

The product of its digits is 324, while the sum is 22.

The square root of 13912213 is about 3729.9079077103. The cubic root of 13912213 is about 240.5094098897.

The spelling of 13912213 in words is "thirteen million, nine hundred twelve thousand, two hundred thirteen".