13199213 has 2 divisors, whose sum is σ = 13199214. Its totient is φ = 13199212.

The previous prime is 13199209. The next prime is 13199227. The reversal of 13199213 is 31299131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8168164 + 5031049 = 2858^2 + 2243^2 .

It is an emirp because it is prime and its reverse (31299131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13199213 - 2² = 13199209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13139213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6599606 + 6599607.

It is an arithmetic number, because the mean of its divisors is an integer number (6599607).

Almost surely, 2^13199213 is an apocalyptic number.

It is an amenable number.

13199213 is a deficient number, since it is larger than the sum of its proper divisors (1).

13199213 is an equidigital number, since it uses as much as digits as its factorization.

13199213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1458, while the sum is 29.

The square root of 13199213 is about 3633.0721159922. The cubic root of 13199213 is about 236.3284531772.

The spelling of 13199213 in words is "thirteen million, one hundred ninety-nine thousand, two hundred thirteen".