13213264 has 10 divisors (see below), whose sum is σ = 25600730. Its totient is φ = 6606624.

The previous prime is 13213259. The next prime is 13213273. The reversal of 13213264 is 46231231.

It can be written as a sum of positive squares in only one way, i.e., 10627600 + 2585664 = 3260^2 + 1608^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 412899 + ... + 412930.

It is an arithmetic number, because the mean of its divisors is an integer number (2560073).

Almost surely, 2^13213264 is an apocalyptic number.

It is an amenable number.

13213264 is a deficient number, since it is larger than the sum of its proper divisors (12387466).

13213264 is an equidigital number, since it uses as much as digits as its factorization.

13213264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825837 (or 825831 counting only the distinct ones).

The product of its digits is 864, while the sum is 22.

The square root of 13213264 is about 3635.0053645077. The cubic root of 13213264 is about 236.4122832631.

Adding to 13213264 its reverse (46231231), we get a palindrome (59444495).

The spelling of 13213264 in words is "thirteen million, two hundred thirteen thousand, two hundred sixty-four".