13885585 has 16 divisors (see below), whose sum is σ = 19103616. Its totient is φ = 9491328.

The previous prime is 13885559. The next prime is 13885589. The reversal of 13885585 is 58558831.

It is not a de Polignac number, because 13885585 - 2¹⁹ = 13361297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13885589) 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 15 ways as a sum of consecutive naturals, for example, 21274 + ... + 21916.

It is an arithmetic number, because the mean of its divisors is an integer number (1193976).

Almost surely, 2^13885585 is an apocalyptic number.

It is an amenable number.

13885585 is a deficient number, since it is larger than the sum of its proper divisors (5218031).

13885585 is an equidigital number, since it uses as much as digits as its factorization.

13885585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272.

The product of its digits is 192000, while the sum is 43.

The square root of 13885585 is about 3726.3366729269. The cubic root of 13885585 is about 240.3558667437.

The spelling of 13885585 in words is "thirteen million, eight hundred eighty-five thousand, five hundred eighty-five".