13859799 has 8 divisors (see below), whose sum is σ = 18535920. Its totient is φ = 9211776.

The previous prime is 13859771. The next prime is 13859809. The reversal of 13859799 is 99795831.

It is a happy number.

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

It is not a de Polignac number, because 13859799 - 2⁸ = 13859543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13859299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5844 + ... + 7865.

It is an arithmetic number, because the mean of its divisors is an integer number (2316990).

Almost surely, 2^13859799 is an apocalyptic number.

13859799 is a deficient number, since it is larger than the sum of its proper divisors (4676121).

13859799 is a wasteful number, since it uses less digits than its factorization.

13859799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14049.

The product of its digits is 612360, while the sum is 51.

The square root of 13859799 is about 3722.8750986301. The cubic root of 13859799 is about 240.2069915646.

The spelling of 13859799 in words is "thirteen million, eight hundred fifty-nine thousand, seven hundred ninety-nine".