12317563 has 2 divisors, whose sum is σ = 12317564. Its totient is φ = 12317562.

The previous prime is 12317531. The next prime is 12317573. The reversal of 12317563 is 36571321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12317563 - 2⁵ = 12317531 is a prime.

It is equal to p₈₀₇₅₄₄ and since 12317563 and 807544 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (12317573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6158781 + 6158782.

It is an arithmetic number, because the mean of its divisors is an integer number (6158782).

Almost surely, 2^12317563 is an apocalyptic number.

12317563 is a deficient number, since it is larger than the sum of its proper divisors (1).

12317563 is an equidigital number, since it uses as much as digits as its factorization.

12317563 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3780, while the sum is 28.

The square root of 12317563 is about 3509.6385853817. The cubic root of 12317563 is about 230.9448404369.

Adding to 12317563 its reverse (36571321), we get a palindrome (48888884).

It can be divided in two parts, 12317 and 563, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 12317563 in words is "twelve million, three hundred seventeen thousand, five hundred sixty-three".