12317825 has 24 divisors (see below), whose sum is σ = 16623936. Its totient is φ = 9000000.

The previous prime is 12317813. The next prime is 12317827. The reversal of 12317825 is 52871321.

It is a de Polignac number, because none of the positive numbers 2^k-12317825 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

Its product of digits (3360) is a multiple of the sum of its prime divisors (420).

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48950 + ... + 49200.

It is an arithmetic number, because the mean of its divisors is an integer number (692664).

Almost surely, 2^12317825 is an apocalyptic number.

It is an amenable number.

12317825 is a deficient number, since it is larger than the sum of its proper divisors (4306111).

12317825 is a wasteful number, since it uses less digits than its factorization.

12317825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425 (or 420 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 12317825 is about 3509.6759109639. The cubic root of 12317825 is about 230.9464778582.

The spelling of 12317825 in words is "twelve million, three hundred seventeen thousand, eight hundred twenty-five".