13885670 has 16 divisors (see below), whose sum is σ = 25038720. Its totient is φ = 5544384.

The previous prime is 13885649. The next prime is 13885679. The reversal of 13885670 is 7658831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13885679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7826 + ... + 9434.

It is an arithmetic number, because the mean of its divisors is an integer number (1564920).

Almost surely, 2^13885670 is an apocalyptic number.

13885670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13885670 is a deficient number, since it is larger than the sum of its proper divisors (11153050).

13885670 is a wasteful number, since it uses less digits than its factorization.

13885670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479.

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

The square root of 13885670 is about 3726.3480782128. The cubic root of 13885670 is about 240.3563571853.

The spelling of 13885670 in words is "thirteen million, eight hundred eighty-five thousand, six hundred seventy".