13213356 has 24 divisors (see below), whose sum is σ = 33203184. Its totient is φ = 4065600.

The previous prime is 13213331. The next prime is 13213363. The reversal of 13213356 is 65331231.

It is a happy number.

It is an unprimeable number.

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, 42195 + ... + 42506.

It is an arithmetic number, because the mean of its divisors is an integer number (1383466).

Almost surely, 2^13213356 is an apocalyptic number.

It is an amenable number.

13213356 is an abundant number, since it is smaller than the sum of its proper divisors (19989828).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13213356 is a wasteful number, since it uses less digits than its factorization.

13213356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84721 (or 84719 counting only the distinct ones).

The product of its digits is 1620, while the sum is 24.

The square root of 13213356 is about 3635.0180192126. The cubic root of 13213356 is about 236.4128319511.

Adding to 13213356 its reverse (65331231), we get a palindrome (78544587).

The spelling of 13213356 in words is "thirteen million, two hundred thirteen thousand, three hundred fifty-six".