13985835 has 16 divisors (see below), whose sum is σ = 22450176. Its totient is φ = 7434848.

The previous prime is 13985833. The next prime is 13985857. The reversal of 13985835 is 53858931.

13985835 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13985835 - 2¹ = 13985833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13985831) 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, 3862 + ... + 6548.

It is an arithmetic number, because the mean of its divisors is an integer number (1403136).

Almost surely, 2^13985835 is an apocalyptic number.

13985835 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13985835 is a deficient number, since it is larger than the sum of its proper divisors (8464341).

13985835 is a wasteful number, since it uses less digits than its factorization.

13985835 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3042.

The product of its digits is 129600, while the sum is 42.

The square root of 13985835 is about 3739.7640299891. The cubic root of 13985835 is about 240.9329140707.

The spelling of 13985835 in words is "thirteen million, nine hundred eighty-five thousand, eight hundred thirty-five".