13831617 has 8 divisors (see below), whose sum is σ = 18460096. Its totient is φ = 9212112.

The previous prime is 13831607. The next prime is 13831619. The reversal of 13831617 is 71613831.

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

It is not a de Polignac number, because 13831617 - 2⁸ = 13831361 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (13831619) 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 7 ways as a sum of consecutive naturals, for example, 3348 + ... + 6234.

It is an arithmetic number, because the mean of its divisors is an integer number (2307512).

Almost surely, 2^13831617 is an apocalyptic number.

It is an amenable number.

13831617 is a deficient number, since it is larger than the sum of its proper divisors (4628479).

13831617 is a wasteful number, since it uses less digits than its factorization.

13831617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4487.

The product of its digits is 3024, while the sum is 30.

The square root of 13831617 is about 3719.0881947058. The cubic root of 13831617 is about 240.0440717676.

The spelling of 13831617 in words is "thirteen million, eight hundred thirty-one thousand, six hundred seventeen".