13320392 has 16 divisors (see below), whose sum is σ = 25016460. Its totient is φ = 6649344.

The previous prime is 13320389. The next prime is 13320397. The reversal of 13320392 is 29302331.

It can be written as a sum of positive squares in 2 ways, for example, as 12348196 + 972196 = 3514^2 + 986^2 .

It is not an unprimeable number, because it can be changed into a prime (13320397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6608 + ... + 8384.

Almost surely, 2^13320392 is an apocalyptic number.

It is an amenable number.

13320392 is a deficient number, since it is larger than the sum of its proper divisors (11696068).

13320392 is a wasteful number, since it uses less digits than its factorization.

13320392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2720 (or 2716 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 13320392 is about 3649.7112214530. The cubic root of 13320392 is about 237.0494772286.

The spelling of 13320392 in words is "thirteen million, three hundred twenty thousand, three hundred ninety-two".