13692213 has 8 divisors (see below), whose sum is σ = 20284800. Its totient is φ = 9128124.

The previous prime is 13692209. The next prime is 13692221. The reversal of 13692213 is 31229631.

It is not a de Polignac number, because 13692213 - 2² = 13692209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 507119 = 13692213 / (1 + 3 + 6 + 9 + 2 + 2 + 1 + 3).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13692223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253533 + ... + 253586.

It is an arithmetic number, because the mean of its divisors is an integer number (2535600).

Almost surely, 2^13692213 is an apocalyptic number.

It is an amenable number.

13692213 is a deficient number, since it is larger than the sum of its proper divisors (6592587).

13692213 is an equidigital number, since it uses as much as digits as its factorization.

13692213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507128 (or 507122 counting only the distinct ones).

The product of its digits is 1944, while the sum is 27.

The square root of 13692213 is about 3700.2990419694. The cubic root of 13692213 is about 239.2349073134.

The spelling of 13692213 in words is "thirteen million, six hundred ninety-two thousand, two hundred thirteen".