13386213 has 12 divisors (see below), whose sum is σ = 19807788. Its totient is φ = 8706240.

The previous prime is 13386209. The next prime is 13386227. The reversal of 13386213 is 31268331.

It is a happy number.

13386213 is a `hidden beast` number, since 1 + 3 + 38 + 621 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5280804 + 8105409 = 2298^2 + 2847^2 .

It is not a de Polignac number, because 13386213 - 2² = 13386209 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13386283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17770 + ... + 18507.

It is an arithmetic number, because the mean of its divisors is an integer number (1650649).

Almost surely, 2^13386213 is an apocalyptic number.

It is an amenable number.

13386213 is a deficient number, since it is larger than the sum of its proper divisors (6421575).

13386213 is a wasteful number, since it uses less digits than its factorization.

13386213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36324 (or 36321 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 13386213 is about 3658.7173982148. The cubic root of 13386213 is about 237.4392856807.

The spelling of 13386213 in words is "thirteen million, three hundred eighty-six thousand, two hundred thirteen".