12393717 has 24 divisors (see below), whose sum is σ = 19562400. Its totient is φ = 6957216.

The previous prime is 12393683. The next prime is 12393739. The reversal of 12393717 is 71739321.

It is a happy number.

It is not a de Polignac number, because 12393717 - 2⁶ = 12393653 is a prime.

12393717 is a modest number, since divided by 3717 gives 1239 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12393317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7959 + ... + 9387.

It is an arithmetic number, because the mean of its divisors is an integer number (815100).

Almost surely, 2^12393717 is an apocalyptic number.

It is an amenable number.

12393717 is a deficient number, since it is larger than the sum of its proper divisors (7168683).

12393717 is a wasteful number, since it uses less digits than its factorization.

12393717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1505 (or 1498 counting only the distinct ones).

The product of its digits is 7938, while the sum is 33.

The square root of 12393717 is about 3520.4711332434. The cubic root of 12393717 is about 231.4198059366.

The spelling of 12393717 in words is "twelve million, three hundred ninety-three thousand, seven hundred seventeen".