13886705 has 16 divisors (see below), whose sum is σ = 20165760. Its totient is φ = 8961792.

The previous prime is 13886693. The next prime is 13886707. The reversal of 13886705 is 50768831.

It is not a de Polignac number, because 13886705 - 2⁸ = 13886449 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13886707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11075 + ... + 12264.

It is an arithmetic number, because the mean of its divisors is an integer number (1260360).

Almost surely, 2^13886705 is an apocalyptic number.

It is an amenable number.

13886705 is a deficient number, since it is larger than the sum of its proper divisors (6279055).

13886705 is a wasteful number, since it uses less digits than its factorization.

13886705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23368.

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 13886705 is about 3726.4869515403. The cubic root of 13886705 is about 240.3623288729.

The spelling of 13886705 in words is "thirteen million, eight hundred eighty-six thousand, seven hundred five".