12247317 has 12 divisors (see below), whose sum is σ = 17874220. Its totient is φ = 8080128.

The previous prime is 12247297. The next prime is 12247357. The reversal of 12247317 is 71374221.

It is a happy number.

12247317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2268036 + 9979281 = 1506^2 + 3159^2 .

It is not a de Polignac number, because 12247317 - 2⁶ = 12247253 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 (12247357) 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, 6142 + ... + 7887.

Almost surely, 2^12247317 is an apocalyptic number.

It is an amenable number.

12247317 is a deficient number, since it is larger than the sum of its proper divisors (5626903).

12247317 is a wasteful number, since it uses less digits than its factorization.

12247317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14132 (or 14129 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 12247317 is about 3499.6166932966. The cubic root of 12247317 is about 230.5049837135.

The spelling of 12247317 in words is "twelve million, two hundred forty-seven thousand, three hundred seventeen".