14139717 has 4 divisors (see below), whose sum is σ = 18852960. Its totient is φ = 9426476.

The previous prime is 14139709. The next prime is 14139731. The reversal of 14139717 is 71793141.

14139717 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14139717 - 2³ = 14139709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14139707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2356617 + ... + 2356622.

It is an arithmetic number, because the mean of its divisors is an integer number (4713240).

Almost surely, 2^14139717 is an apocalyptic number.

It is an amenable number.

14139717 is a deficient number, since it is larger than the sum of its proper divisors (4713243).

14139717 is an equidigital number, since it uses as much as digits as its factorization.

14139717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4713242.

The product of its digits is 5292, while the sum is 33.

The square root of 14139717 is about 3760.2815054195. The cubic root of 14139717 is about 241.8133307649.

The spelling of 14139717 in words is "fourteen million, one hundred thirty-nine thousand, seven hundred seventeen".