14390717 has 4 divisors (see below), whose sum is σ = 15698976. Its totient is φ = 13082460.

The previous prime is 14390707. The next prime is 14390731. The reversal of 14390717 is 71709341.

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 14390717 - 2¹⁸ = 14128573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14390707) 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, 654113 + ... + 654134.

It is an arithmetic number, because the mean of its divisors is an integer number (3924744).

Almost surely, 2^14390717 is an apocalyptic number.

It is an amenable number.

14390717 is a deficient number, since it is larger than the sum of its proper divisors (1308259).

14390717 is a wasteful number, since it uses less digits than its factorization.

14390717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1308258.

The product of its (nonzero) digits is 5292, while the sum is 32.

The square root of 14390717 is about 3793.5098523663. The cubic root of 14390717 is about 243.2357898062.

The spelling of 14390717 in words is "fourteen million, three hundred ninety thousand, seven hundred seventeen".