12813933 has 8 divisors (see below), whose sum is σ = 18638496. Its totient is φ = 7766000.

The previous prime is 12813929. The next prime is 12813959. The reversal of 12813933 is 33931821.

12813933 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12813933 - 2² = 12813929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12813933.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12813973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194118 + ... + 194183.

It is an arithmetic number, because the mean of its divisors is an integer number (2329812).

Almost surely, 2^12813933 is an apocalyptic number.

It is an amenable number.

12813933 is a deficient number, since it is larger than the sum of its proper divisors (5824563).

12813933 is a wasteful number, since it uses less digits than its factorization.

12813933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 388315.

The product of its digits is 3888, while the sum is 30.

The square root of 12813933 is about 3579.6554303452. The cubic root of 12813933 is about 234.0062639860.

The spelling of 12813933 in words is "twelve million, eight hundred thirteen thousand, nine hundred thirty-three".