13681383 has 8 divisors (see below), whose sum is σ = 18265200. Its totient is φ = 9109248.

The previous prime is 13681363. The next prime is 13681397. The reversal of 13681383 is 38318631.

It is a happy number.

13681383 is digitally balanced in base 2, because in such base 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 13681383 - 2⁶ = 13681319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13681303) 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, 333 + ... + 5241.

It is an arithmetic number, because the mean of its divisors is an integer number (2283150).

Almost surely, 2^13681383 is an apocalyptic number.

13681383 is a deficient number, since it is larger than the sum of its proper divisors (4583817).

13681383 is an equidigital number, since it uses as much as digits as its factorization.

13681383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5841.

The product of its digits is 10368, while the sum is 33.

The square root of 13681383 is about 3698.8353572442. The cubic root of 13681383 is about 239.1718155534.

The spelling of 13681383 in words is "thirteen million, six hundred eighty-one thousand, three hundred eighty-three".