12717361 has 2 divisors, whose sum is σ = 12717362. Its totient is φ = 12717360.

The previous prime is 12717323. The next prime is 12717407. The reversal of 12717361 is 16371721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12531600 + 185761 = 3540^2 + 431^2 .

It is an emirp because it is prime and its reverse (16371721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12717361 - 2⁹ = 12716849 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12717311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6358680 + 6358681.

It is an arithmetic number, because the mean of its divisors is an integer number (6358681).

Almost surely, 2^12717361 is an apocalyptic number.

It is an amenable number.

12717361 is a deficient number, since it is larger than the sum of its proper divisors (1).

12717361 is an equidigital number, since it uses as much as digits as its factorization.

12717361 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1764, while the sum is 28.

The square root of 12717361 is about 3566.1409114055. The cubic root of 12717361 is about 233.4169194868.

The spelling of 12717361 in words is "twelve million, seven hundred seventeen thousand, three hundred sixty-one".