12317 has 4 divisors (see below), whose sum is σ = 12540. Its totient is φ = 12096.

The previous prime is 12301. The next prime is 12323. The reversal of 12317 is 71321.

12317 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 71321 = 73 ⋅977.

It can be written as a sum of positive squares in 2 ways, for example, as 3481 + 8836 = 59^2 + 94^2 .

It is a cyclic number.

It is not a de Polignac number, because 12317 - 2⁴ = 12301 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53 + ... + 165.

It is an arithmetic number, because the mean of its divisors is an integer number (3135).

2¹²³¹⁷ is an apocalyptic number.

It is an amenable number.

12317 is a deficient number, since it is larger than the sum of its proper divisors (223).

12317 is a wasteful number, since it uses less digits than its factorization.

12317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222.

The product of its digits is 42, while the sum is 14.

The square root of 12317 is about 110.9819805194. The cubic root of 12317 is about 23.0941321778.

Adding to 12317 its reverse (71321), we get a palindrome (83638).

The spelling of 12317 in words is "twelve thousand, three hundred seventeen", and thus it is an iban number.