13213322 has 12 divisors (see below), whose sum is σ = 20919186. Its totient is φ = 6258600.

The previous prime is 13213297. The next prime is 13213327. The reversal of 13213322 is 22331231.

13213322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 13169641 + 43681 = 3629^2 + 209^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13213322.

It is not an unprimeable number, because it can be changed into a prime (13213327) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8429 + ... + 9872.

Almost surely, 2^13213322 is an apocalyptic number.

13213322 is a deficient number, since it is larger than the sum of its proper divisors (7705864).

13213322 is a wasteful number, since it uses less digits than its factorization.

13213322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18341 (or 18322 counting only the distinct ones).

The product of its digits is 216, while the sum is 17.

The square root of 13213322 is about 3635.0133424790. The cubic root of 13213322 is about 236.4126291754.

Adding to 13213322 its reverse (22331231), we get a palindrome (35544553).

The spelling of 13213322 in words is "thirteen million, two hundred thirteen thousand, three hundred twenty-two".