12345317 has 2 divisors, whose sum is σ = 12345318. Its totient is φ = 12345316.

The previous prime is 12345313. The next prime is 12345323. The reversal of 12345317 is 71354321.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8844676 + 3500641 = 2974^2 + 1871^2 .

It is a cyclic number.

It is not a de Polignac number, because 12345317 - 2² = 12345313 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12345313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6172658 + 6172659.

It is an arithmetic number, because the mean of its divisors is an integer number (6172659).

Almost surely, 2^12345317 is an apocalyptic number.

It is an amenable number.

12345317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12345317 is an equidigital number, since it uses as much as digits as its factorization.

12345317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2520, while the sum is 26.

The square root of 12345317 is about 3513.5903289940. The cubic root of 12345317 is about 231.1181657134.

Adding to 12345317 its reverse (71354321), we get a palindrome (83699638).

The spelling of 12345317 in words is "twelve million, three hundred forty-five thousand, three hundred seventeen".