13693213 has 2 divisors, whose sum is σ = 13693214. Its totient is φ = 13693212.

The previous prime is 13693201. The next prime is 13693231. The reversal of 13693213 is 31239631.

13693213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with next prime (13693231) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9253764 + 4439449 = 3042^2 + 2107^2 .

It is a cyclic number.

It is not a de Polignac number, because 13693213 - 2⁵ = 13693181 is a prime.

It is equal to p₈₉₁₄₃₃ and since 13693213 and 891433 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13693283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6846606 + 6846607.

It is an arithmetic number, because the mean of its divisors is an integer number (6846607).

Almost surely, 2^13693213 is an apocalyptic number.

It is an amenable number.

13693213 is a deficient number, since it is larger than the sum of its proper divisors (1).

13693213 is an equidigital number, since it uses as much as digits as its factorization.

13693213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 28.

The square root of 13693213 is about 3700.4341637165. The cubic root of 13693213 is about 239.2407312826.

The spelling of 13693213 in words is "thirteen million, six hundred ninety-three thousand, two hundred thirteen".