13131793 has 4 divisors (see below), whose sum is σ = 13822960. Its totient is φ = 12440628.

The previous prime is 13131791. The next prime is 13131851. The reversal of 13131793 is 39713131.

13131793 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13131793 - 2¹ = 13131791 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13131791) 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 in 3 ways as a sum of consecutive naturals, for example, 345555 + ... + 345592.

It is an arithmetic number, because the mean of its divisors is an integer number (3455740).

Almost surely, 2^13131793 is an apocalyptic number.

It is an amenable number.

13131793 is a deficient number, since it is larger than the sum of its proper divisors (691167).

13131793 is an equidigital number, since it uses as much as digits as its factorization.

13131793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691166.

The product of its digits is 1701, while the sum is 28.

The square root of 13131793 is about 3623.7815883411. The cubic root of 13131793 is about 235.9253869752.

It can be divided in two parts, 13131 and 793, that added together give a square (13924 = 118²).

The spelling of 13131793 in words is "thirteen million, one hundred thirty-one thousand, seven hundred ninety-three".