13839717 has 8 divisors (see below), whose sum is σ = 19538496. Its totient is φ = 8683712.

The previous prime is 13839703. The next prime is 13839719. The reversal of 13839717 is 71793831.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13839717 - 2⁶ = 13839653 is a prime.

It is a plaindrome in base 15.

It is a congruent 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, 135633 + ... + 135734.

It is an arithmetic number, because the mean of its divisors is an integer number (2442312).

Almost surely, 2^13839717 is an apocalyptic number.

13839717 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

13839717 is a deficient number, since it is larger than the sum of its proper divisors (5698779).

13839717 is a wasteful number, since it uses less digits than its factorization.

13839717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271387.

The product of its digits is 31752, while the sum is 39.

The square root of 13839717 is about 3720.1770119176. The cubic root of 13839717 is about 240.0909204129.

The spelling of 13839717 in words is "thirteen million, eight hundred thirty-nine thousand, seven hundred seventeen".