13883813 has 4 divisors (see below), whose sum is σ = 14614560. Its totient is φ = 13153068.

The previous prime is 13883801. The next prime is 13883833. The reversal of 13883813 is 31838831.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13883813 - 2⁸ = 13883557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13883833) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365345 + ... + 365382.

It is an arithmetic number, because the mean of its divisors is an integer number (3653640).

Almost surely, 2^13883813 is an apocalyptic number.

It is an amenable number.

13883813 is a deficient number, since it is larger than the sum of its proper divisors (730747).

13883813 is an equidigital number, since it uses as much as digits as its factorization.

13883813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 730746.

The product of its digits is 13824, while the sum is 35.

The square root of 13883813 is about 3726.0988983117. The cubic root of 13883813 is about 240.3456420223.

The spelling of 13883813 in words is "thirteen million, eight hundred eighty-three thousand, eight hundred thirteen".