13886685 has 24 divisors (see below), whose sum is σ = 24160344. Its totient is φ = 7378560.

The previous prime is 13886681. The next prime is 13886693. The reversal of 13886685 is 58668831.

It can be written as a sum of positive squares in 4 ways, for example, as 1077444 + 12809241 = 1038^2 + 3579^2 .

It is not a de Polignac number, because 13886685 - 2² = 13886681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13886685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13886681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18579 + ... + 19311.

It is an arithmetic number, because the mean of its divisors is an integer number (1006681).

Almost surely, 2^13886685 is an apocalyptic number.

13886685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13886685 is a deficient number, since it is larger than the sum of its proper divisors (10273659).

13886685 is a wasteful number, since it uses less digits than its factorization.

13886685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165 (or 1162 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 13886685 is about 3726.4842680468. The cubic root of 13886685 is about 240.3622134808.

The spelling of 13886685 in words is "thirteen million, eight hundred eighty-six thousand, six hundred eighty-five".