13238393 has 16 divisors (see below), whose sum is σ = 16329600. Its totient is φ = 10473216.

The previous prime is 13238389. The next prime is 13238399. The reversal of 13238393 is 39383231.

It is a cyclic number.

It is not a de Polignac number, because 13238393 - 2² = 13238389 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13238399) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5258 + ... + 7356.

It is an arithmetic number, because the mean of its divisors is an integer number (1020600).

Almost surely, 2^13238393 is an apocalyptic number.

It is an amenable number.

13238393 is a deficient number, since it is larger than the sum of its proper divisors (3091207).

13238393 is a wasteful number, since it uses less digits than its factorization.

13238393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2176.

The product of its digits is 11664, while the sum is 32.

The square root of 13238393 is about 3638.4602512601. The cubic root of 13238393 is about 236.5620580693.

It can be divided in two parts, 13238 and 393, that added together give a palindrome (13631).

The spelling of 13238393 in words is "thirteen million, two hundred thirty-eight thousand, three hundred ninety-three".