13939023 has 8 divisors (see below), whose sum is σ = 21240448. Its totient is φ = 7965144.

The previous prime is 13938983. The next prime is 13939069. The reversal of 13939023 is 32093931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13939023 - 2⁶ = 13938959 is a prime.

It is the 3734-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13939223) by changing a digit.

It is a nontrivial repunit in base 3733.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 331861 + ... + 331902.

It is an arithmetic number, because the mean of its divisors is an integer number (2655056).

Almost surely, 2^13939023 is an apocalyptic number.

13939023 is a deficient number, since it is larger than the sum of its proper divisors (7301425).

13939023 is an equidigital number, since it uses as much as digits as its factorization.

13939023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663773.

The product of its (nonzero) digits is 4374, while the sum is 30.

The square root of 13939023 is about 3733.5001004419. The cubic root of 13939023 is about 240.6638046824.

The spelling of 13939023 in words is "thirteen million, nine hundred thirty-nine thousand, twenty-three".