13239368 has 8 divisors (see below), whose sum is σ = 24823830. Its totient is φ = 6619680.

The previous prime is 13239361. The next prime is 13239389. The reversal of 13239368 is 86393231.

It can be written as a sum of positive squares in only one way, i.e., 12945604 + 293764 = 3598^2 + 542^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (13239361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 827453 + ... + 827468.

Almost surely, 2^13239368 is an apocalyptic number.

It is an amenable number.

13239368 is a deficient number, since it is larger than the sum of its proper divisors (11584462).

13239368 is a wasteful number, since it uses less digits than its factorization.

13239368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1654927 (or 1654923 counting only the distinct ones).

The product of its digits is 23328, while the sum is 35.

The square root of 13239368 is about 3638.5942340415. The cubic root of 13239368 is about 236.5678654797.

The spelling of 13239368 in words is "thirteen million, two hundred thirty-nine thousand, three hundred sixty-eight".