13383957 has 4 divisors (see below), whose sum is σ = 17845280. Its totient is φ = 8922636.

The previous prime is 13383911. The next prime is 13383967. The reversal of 13383957 is 75938331.

13383957 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 not a de Polignac number, because 13383957 - 2⁷ = 13383829 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 (13383967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2230657 + ... + 2230662.

It is an arithmetic number, because the mean of its divisors is an integer number (4461320).

Almost surely, 2^13383957 is an apocalyptic number.

It is an amenable number.

13383957 is a deficient number, since it is larger than the sum of its proper divisors (4461323).

13383957 is an equidigital number, since it uses as much as digits as its factorization.

13383957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4461322.

The product of its digits is 68040, while the sum is 39.

The square root of 13383957 is about 3658.4090804611. The cubic root of 13383957 is about 237.4259462565.

The spelling of 13383957 in words is "thirteen million, three hundred eighty-three thousand, nine hundred fifty-seven".