13885317 has 8 divisors (see below), whose sum is σ = 20570880. Its totient is φ = 9256860.

The previous prime is 13885309. The next prime is 13885331. The reversal of 13885317 is 71358831.

It is not a de Polignac number, because 13885317 - 2³ = 13885309 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13885337) 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, 257109 + ... + 257162.

It is an arithmetic number, because the mean of its divisors is an integer number (2571360).

Almost surely, 2^13885317 is an apocalyptic number.

It is an amenable number.

13885317 is a deficient number, since it is larger than the sum of its proper divisors (6685563).

13885317 is an equidigital number, since it uses as much as digits as its factorization.

13885317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514280 (or 514274 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 13885317 is about 3726.3007125030. The cubic root of 13885317 is about 240.3543203970.

The spelling of 13885317 in words is "thirteen million, eight hundred eighty-five thousand, three hundred seventeen".