13839718 has 8 divisors (see below), whose sum is σ = 20819448. Its totient is φ = 6899904.

The previous prime is 13839703. The next prime is 13839719. The reversal of 13839718 is 81793831.

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

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 3 ways as a sum of consecutive naturals, for example, 9096 + ... + 10507.

It is an arithmetic number, because the mean of its divisors is an integer number (2602431).

Almost surely, 2^13839718 is an apocalyptic number.

13839718 is a deficient number, since it is larger than the sum of its proper divisors (6979730).

13839718 is a wasteful number, since it uses less digits than its factorization.

13839718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19958.

The product of its digits is 36288, while the sum is 40.

The square root of 13839718 is about 3720.1771463198. The cubic root of 13839718 is about 240.0909261956.

The spelling of 13839718 in words is "thirteen million, eight hundred thirty-nine thousand, seven hundred eighteen".