12471317 has 2 divisors, whose sum is σ = 12471318. Its totient is φ = 12471316.

The previous prime is 12471311. The next prime is 12471323. The reversal of 12471317 is 71317421.

It is a happy number.

12471317 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (12471311) and next prime (12471323).

It can be written as a sum of positive squares in only one way, i.e., 10817521 + 1653796 = 3289^2 + 1286^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12471317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12471311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6235658 + 6235659.

It is an arithmetic number, because the mean of its divisors is an integer number (6235659).

Almost surely, 2^12471317 is an apocalyptic number.

It is an amenable number.

12471317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12471317 is an equidigital number, since it uses as much as digits as its factorization.

12471317 is an evil number, because the sum of its binary digits is even.

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

The square root of 12471317 is about 3531.4751875102. The cubic root of 12471317 is about 231.9017928078.

Adding to 12471317 its reverse (71317421), we get a palindrome (83788738).

The spelling of 12471317 in words is "twelve million, four hundred seventy-one thousand, three hundred seventeen".