13893723 has 12 divisors (see below), whose sum is σ = 20369128. Its totient is φ = 9123840.

The previous prime is 13893713. The next prime is 13893739. The reversal of 13893723 is 32739831.

It is a happy number.

It is not a de Polignac number, because 13893723 - 2⁴ = 13893707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13893713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10918 + ... + 12123.

Almost surely, 2^13893723 is an apocalyptic number.

13893723 is a deficient number, since it is larger than the sum of its proper divisors (6475405).

13893723 is a wasteful number, since it uses less digits than its factorization.

13893723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23114 (or 23111 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 13893723 is about 3727.4284701386. The cubic root of 13893723 is about 240.4028131284.

The spelling of 13893723 in words is "thirteen million, eight hundred ninety-three thousand, seven hundred twenty-three".