13813835 has 12 divisors (see below), whose sum is σ = 19283328. Its totient is φ = 9472176.

The previous prime is 13813829. The next prime is 13813841. The reversal of 13813835 is 53831831.

It is an interprime number because it is at equal distance from previous prime (13813829) and next prime (13813841).

It is not a de Polignac number, because 13813835 - 2⁶ = 13813771 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27947 + ... + 28436.

It is an arithmetic number, because the mean of its divisors is an integer number (1606944).

Almost surely, 2^13813835 is an apocalyptic number.

13813835 is a deficient number, since it is larger than the sum of its proper divisors (5469493).

13813835 is an equidigital number, since it uses as much as digits as its factorization.

13813835 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56402 (or 56395 counting only the distinct ones).

The product of its digits is 8640, while the sum is 32.

The square root of 13813835 is about 3716.6967861261. The cubic root of 13813835 is about 239.9411603443.

The spelling of 13813835 in words is "thirteen million, eight hundred thirteen thousand, eight hundred thirty-five".