13320212 has 6 divisors (see below), whose sum is σ = 23310378. Its totient is φ = 6660104.

The previous prime is 13320191. The next prime is 13320217. The reversal of 13320212 is 21202331.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 13293316 + 26896 = 3646^2 + 164^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13320217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1665023 + ... + 1665030.

It is an arithmetic number, because the mean of its divisors is an integer number (3885063).

Almost surely, 2^13320212 is an apocalyptic number.

It is an amenable number.

13320212 is a deficient number, since it is larger than the sum of its proper divisors (9990166).

13320212 is a wasteful number, since it uses less digits than its factorization.

13320212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3330057 (or 3330055 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 13320212 is about 3649.6865618845. The cubic root of 13320212 is about 237.0484094647.

Adding to 13320212 its reverse (21202331), we get a palindrome (34522543).

The spelling of 13320212 in words is "thirteen million, three hundred twenty thousand, two hundred twelve".