12317824 has 16 divisors (see below), whose sum is σ = 24539670. Its totient is φ = 6158848.

The previous prime is 12317813. The next prime is 12317827. The reversal of 12317824 is 42871321.

12317824 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 only one way, i.e., 7617600 + 4700224 = 2760^2 + 2168^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a junction number, because it is equal to n+sod(n) for n = 12317792 and 12317801.

It is not an unprimeable number, because it can be changed into a prime (12317827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47989 + ... + 48244.

Almost surely, 2^12317824 is an apocalyptic number.

It is an amenable number.

12317824 is a deficient number, since it is larger than the sum of its proper divisors (12221846).

12317824 is an frugal number, since it uses more digits than its factorization.

12317824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96247 (or 96235 counting only the distinct ones).

The product of its digits is 2688, while the sum is 28.

The square root of 12317824 is about 3509.6757685006. The cubic root of 12317824 is about 230.9464716085.

The spelling of 12317824 in words is "twelve million, three hundred seventeen thousand, eight hundred twenty-four".