12817471 has 2 divisors, whose sum is σ = 12817472. Its totient is φ = 12817470.

The previous prime is 12817459. The next prime is 12817481. The reversal of 12817471 is 17471821.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12817471 - 2⁹ = 12816959 is a prime.

It is a super-3 number, since 3×12817471³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12817421) 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 as a sum of consecutive naturals, namely, 6408735 + 6408736.

It is an arithmetic number, because the mean of its divisors is an integer number (6408736).

Almost surely, 2^12817471 is an apocalyptic number.

12817471 is a deficient number, since it is larger than the sum of its proper divisors (1).

12817471 is an equidigital number, since it uses as much as digits as its factorization.

12817471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3136, while the sum is 31.

The square root of 12817471 is about 3580.1495778808. The cubic root of 12817471 is about 234.0277988256.

The spelling of 12817471 in words is "twelve million, eight hundred seventeen thousand, four hundred seventy-one".