13257383 has 4 divisors (see below), whose sum is σ = 13955160. Its totient is φ = 12559608.

The previous prime is 13257329. The next prime is 13257389. The reversal of 13257383 is 38375231.

13257383 is digitally balanced in base 2, 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.

It is not a de Polignac number, because 13257383 - 2⁶ = 13257319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13257389) 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, 348860 + ... + 348897.

It is an arithmetic number, because the mean of its divisors is an integer number (3488790).

Almost surely, 2^13257383 is an apocalyptic number.

13257383 is a deficient number, since it is larger than the sum of its proper divisors (697777).

13257383 is an equidigital number, since it uses as much as digits as its factorization.

13257383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 697776.

The product of its digits is 15120, while the sum is 32.

The square root of 13257383 is about 3641.0689364526. The cubic root of 13257383 is about 236.6751172896.

The spelling of 13257383 in words is "thirteen million, two hundred fifty-seven thousand, three hundred eighty-three".