13285317 has 4 divisors (see below), whose sum is σ = 17713760. Its totient is φ = 8856876.

The previous prime is 13285291. The next prime is 13285319. The reversal of 13285317 is 71358231.

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 13285317 - 2⁶ = 13285253 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 (13285319) 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, 2214217 + ... + 2214222.

It is an arithmetic number, because the mean of its divisors is an integer number (4428440).

Almost surely, 2^13285317 is an apocalyptic number.

It is an amenable number.

13285317 is a deficient number, since it is larger than the sum of its proper divisors (4428443).

13285317 is an equidigital number, since it uses as much as digits as its factorization.

13285317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4428442.

The product of its digits is 5040, while the sum is 30.

The square root of 13285317 is about 3644.9028793646. The cubic root of 13285317 is about 236.8412296290.

It can be divided in two parts, 132853 and 17, that added together give a triangular number (132870 = T₅₁₅).

The spelling of 13285317 in words is "thirteen million, two hundred eighty-five thousand, three hundred seventeen".