12737317 has 2 divisors, whose sum is σ = 12737318. Its totient is φ = 12737316.

The previous prime is 12737281. The next prime is 12737327. The reversal of 12737317 is 71373721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11282881 + 1454436 = 3359^2 + 1206^2 .

It is a cyclic number.

It is not a de Polignac number, because 12737317 - 2⁷ = 12737189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12737327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6368658 + 6368659.

It is an arithmetic number, because the mean of its divisors is an integer number (6368659).

Almost surely, 2^12737317 is an apocalyptic number.

It is an amenable number.

12737317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12737317 is an equidigital number, since it uses as much as digits as its factorization.

12737317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6174, while the sum is 31.

The square root of 12737317 is about 3568.9377971604. The cubic root of 12737317 is about 233.5389477833.

The spelling of 12737317 in words is "twelve million, seven hundred thirty-seven thousand, three hundred seventeen".