13885755 has 16 divisors (see below), whose sum is σ = 23926560. Its totient is φ = 6835968.

The previous prime is 13885747. The next prime is 13885793. The reversal of 13885755 is 55758831.

It is a happy number.

It is not a de Polignac number, because 13885755 - 2³ = 13885747 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35410 + ... + 35799.

It is an arithmetic number, because the mean of its divisors is an integer number (1495410).

Almost surely, 2^13885755 is an apocalyptic number.

13885755 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13885755 is a deficient number, since it is larger than the sum of its proper divisors (10040805).

13885755 is a wasteful number, since it uses less digits than its factorization.

13885755 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71230.

The product of its digits is 168000, while the sum is 42.

The square root of 13885755 is about 3726.3594834637. The cubic root of 13885755 is about 240.3568476250.

The spelling of 13885755 in words is "thirteen million, eight hundred eighty-five thousand, seven hundred fifty-five".