13839715 has 8 divisors (see below), whose sum is σ = 16633008. Its totient is φ = 11054880.

The previous prime is 13839703. The next prime is 13839719. The reversal of 13839715 is 51793831.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-13839715 is a prime.

It is a super-2 number, since 2×13839715² = 383075422562450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13839719) by changing a digit.

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, 2349 + ... + 5761.

It is an arithmetic number, because the mean of its divisors is an integer number (2079126).

Almost surely, 2^13839715 is an apocalyptic number.

13839715 is a deficient number, since it is larger than the sum of its proper divisors (2793293).

13839715 is an equidigital number, since it uses as much as digits as its factorization.

13839715 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4229.

The product of its digits is 22680, while the sum is 37.

The square root of 13839715 is about 3720.1767431132. The cubic root of 13839715 is about 240.0909088476.

The spelling of 13839715 in words is "thirteen million, eight hundred thirty-nine thousand, seven hundred fifteen".