14709639 has 8 divisors (see below), whose sum is σ = 22414720. Its totient is φ = 8405496.

The previous prime is 14709631. The next prime is 14709647. The reversal of 14709639 is 93690741.

14709639 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (14709631) and next prime (14709647).

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

It is not a de Polignac number, because 14709639 - 2³ = 14709631 is a prime.

It is a Duffinian number.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 14709597 and 14709606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14709631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350209 + ... + 350250.

It is an arithmetic number, because the mean of its divisors is an integer number (2801840).

Almost surely, 2^14709639 is an apocalyptic number.

14709639 is a deficient number, since it is larger than the sum of its proper divisors (7705081).

14709639 is an equidigital number, since it uses as much as digits as its factorization.

14709639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700469.

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 14709639 is about 3835.3147198111. The cubic root of 14709639 is about 245.0195125373.

The spelling of 14709639 in words is "fourteen million, seven hundred nine thousand, six hundred thirty-nine".