12317471 has 2 divisors, whose sum is σ = 12317472. Its totient is φ = 12317470.

The previous prime is 12317467. The next prime is 12317483. The reversal of 12317471 is 17471321.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12317471 - 2² = 12317467 is a prime.

It is a super-3 number, since 3×12317471³ (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12317471.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12317441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6158735 + 6158736.

It is an arithmetic number, because the mean of its divisors is an integer number (6158736).

Almost surely, 2^12317471 is an apocalyptic number.

12317471 is a deficient number, since it is larger than the sum of its proper divisors (1).

12317471 is an equidigital number, since it uses as much as digits as its factorization.

12317471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1176, while the sum is 26.

The square root of 12317471 is about 3509.6254785945. The cubic root of 12317471 is about 230.9442654590.

Adding to 12317471 its reverse (17471321), we get a palindrome (29788792).

The spelling of 12317471 in words is "twelve million, three hundred seventeen thousand, four hundred seventy-one".