12442717 has 12 divisors (see below), whose sum is σ = 14558940. Its totient is φ = 10602816.

The previous prime is 12442699. The next prime is 12442741. The reversal of 12442717 is 71724421.

It can be written as a sum of positive squares in 2 ways, for example, as 11383876 + 1058841 = 3374^2 + 1029^2 .

It is a de Polignac number, because none of the positive numbers 2^k-12442717 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 (12442117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9009 + ... + 10297.

It is an arithmetic number, because the mean of its divisors is an integer number (1213245).

Almost surely, 2^12442717 is an apocalyptic number.

It is an amenable number.

12442717 is a deficient number, since it is larger than the sum of its proper divisors (2116223).

12442717 is a wasteful number, since it uses less digits than its factorization.

12442717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1500 (or 1493 counting only the distinct ones).

The product of its digits is 3136, while the sum is 28.

The square root of 12442717 is about 3527.4235640195. The cubic root of 12442717 is about 231.7243865863.

The spelling of 12442717 in words is "twelve million, four hundred forty-two thousand, seven hundred seventeen".