13238933 has 4 divisors (see below), whose sum is σ = 13596780. Its totient is φ = 12881088.

The previous prime is 13238917. The next prime is 13238963. The reversal of 13238933 is 33983231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33983231 = 2503 ⋅13577.

It can be written as a sum of positive squares in 2 ways, for example, as 10608049 + 2630884 = 3257^2 + 1622^2 .

It is a cyclic number.

It is not a de Polignac number, because 13238933 - 2⁴ = 13238917 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13238933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13238963) 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, 178868 + ... + 178941.

It is an arithmetic number, because the mean of its divisors is an integer number (3399195).

Almost surely, 2^13238933 is an apocalyptic number.

It is an amenable number.

13238933 is a deficient number, since it is larger than the sum of its proper divisors (357847).

13238933 is an equidigital number, since it uses as much as digits as its factorization.

13238933 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357846.

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

The square root of 13238933 is about 3638.5344577178. The cubic root of 13238933 is about 236.5652745164.

The spelling of 13238933 in words is "thirteen million, two hundred thirty-eight thousand, nine hundred thirty-three".