13859793 has 12 divisors (see below), whose sum is σ = 20561268. Its totient is φ = 8989920.

The previous prime is 13859771. The next prime is 13859809. The reversal of 13859793 is 39795831.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9437184 + 4422609 = 3072^2 + 2103^2 .

It is a de Polignac number, because none of the positive numbers 2^k-13859793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13859723) 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, 20478 + ... + 21143.

It is an arithmetic number, because the mean of its divisors is an integer number (1713439).

Almost surely, 2^13859793 is an apocalyptic number.

It is an amenable number.

13859793 is a deficient number, since it is larger than the sum of its proper divisors (6701475).

13859793 is a wasteful number, since it uses less digits than its factorization.

13859793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41664 (or 41661 counting only the distinct ones).

The product of its digits is 204120, while the sum is 45.

The square root of 13859793 is about 3722.8742928012. The cubic root of 13859793 is about 240.2069569022.

The spelling of 13859793 in words is "thirteen million, eight hundred fifty-nine thousand, seven hundred ninety-three".