12317503 has 16 divisors (see below), whose sum is σ = 14342400. Its totient is φ = 10454400.

The previous prime is 12317497. The next prime is 12317531. The reversal of 12317503 is 30571321.

It is not a de Polignac number, because 12317503 - 2⁵ = 12317471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12317563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37048 + ... + 37378.

It is an arithmetic number, because the mean of its divisors is an integer number (896400).

Almost surely, 2^12317503 is an apocalyptic number.

12317503 is a deficient number, since it is larger than the sum of its proper divisors (2024897).

12317503 is a wasteful number, since it uses less digits than its factorization.

12317503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 12317503 is about 3509.6300374826. The cubic root of 12317503 is about 230.9444654517.

Adding to 12317503 its reverse (30571321), we get a palindrome (42888824).

The spelling of 12317503 in words is "twelve million, three hundred seventeen thousand, five hundred three".