12390717 has 16 divisors (see below), whose sum is σ = 17501120. Its totient is φ = 7776000.

The previous prime is 12390701. The next prime is 12390727. The reversal of 12390717 is 71709321.

It is not a de Polignac number, because 12390717 - 2⁴ = 12390701 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 (12390727) 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 15 ways as a sum of consecutive naturals, for example, 9717 + ... + 10917.

It is an arithmetic number, because the mean of its divisors is an integer number (1093820).

Almost surely, 2^12390717 is an apocalyptic number.

It is an amenable number.

12390717 is a deficient number, since it is larger than the sum of its proper divisors (5110403).

12390717 is a wasteful number, since it uses less digits than its factorization.

12390717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1404.

The product of its (nonzero) digits is 2646, while the sum is 30.

The square root of 12390717 is about 3520.0450281211. The cubic root of 12390717 is about 231.4011320811.

The spelling of 12390717 in words is "twelve million, three hundred ninety thousand, seven hundred seventeen".