12814717 has 2 divisors, whose sum is σ = 12814718. Its totient is φ = 12814716.

The previous prime is 12814709. The next prime is 12814733. The reversal of 12814717 is 71741821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12809241 + 5476 = 3579^2 + 74^2 .

It is an emirp because it is prime and its reverse (71741821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12814717 - 2³ = 12814709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12814117) 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, 6407358 + 6407359.

It is an arithmetic number, because the mean of its divisors is an integer number (6407359).

Almost surely, 2^12814717 is an apocalyptic number.

It is an amenable number.

12814717 is a deficient number, since it is larger than the sum of its proper divisors (1).

12814717 is an equidigital number, since it uses as much as digits as its factorization.

12814717 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 12814717 is about 3579.7649364169. The cubic root of 12814717 is about 234.0110363217.

It can be divided in two parts, 128147 and 17, that added together give a square (128164 = 358²).

The spelling of 12814717 in words is "twelve million, eight hundred fourteen thousand, seven hundred seventeen".