12317308 has 12 divisors (see below), whose sum is σ = 21593320. Its totient is φ = 6147792.

The previous prime is 12317297. The next prime is 12317309. The reversal of 12317308 is 80371321.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12317309) 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, 178 + ... + 4966.

Almost surely, 2^12317308 is an apocalyptic number.

It is an amenable number.

12317308 is a deficient number, since it is larger than the sum of its proper divisors (9276012).

12317308 is a wasteful number, since it uses less digits than its factorization.

12317308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5436 (or 5434 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 12317308 is about 3509.6022566667. The cubic root of 12317308 is about 230.9432467412.

Adding to 12317308 its reverse (80371321), we get a palindrome (92688629).

The spelling of 12317308 in words is "twelve million, three hundred seventeen thousand, three hundred eight".