13979833 has 4 divisors (see below), whose sum is σ = 15976960. Its totient is φ = 11982708.

The previous prime is 13979813. The next prime is 13979843. The reversal of 13979833 is 33897931.

13979833 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-13979833 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13979833.

It is not an unprimeable number, because it can be changed into a prime (13979803) 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, 998553 + ... + 998566.

It is an arithmetic number, because the mean of its divisors is an integer number (3994240).

Almost surely, 2^13979833 is an apocalyptic number.

It is an amenable number.

13979833 is a deficient number, since it is larger than the sum of its proper divisors (1997127).

13979833 is an equidigital number, since it uses as much as digits as its factorization.

13979833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1997126.

The product of its digits is 122472, while the sum is 43.

The square root of 13979833 is about 3738.9614868303. The cubic root of 13979833 is about 240.8984438070.

The spelling of 13979833 in words is "thirteen million, nine hundred seventy-nine thousand, eight hundred thirty-three".