12774317 has 2 divisors, whose sum is σ = 12774318. Its totient is φ = 12774316.

The previous prime is 12774301. The next prime is 12774319. The reversal of 12774317 is 71347721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12773476 + 841 = 3574^2 + 29^2 .

It is a cyclic number.

It is not a de Polignac number, because 12774317 - 2⁴ = 12774301 is a prime.

Together with 12774319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12774319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6387158 + 6387159.

It is an arithmetic number, because the mean of its divisors is an integer number (6387159).

Almost surely, 2^12774317 is an apocalyptic number.

It is an amenable number.

12774317 is a deficient number, since it is larger than the sum of its proper divisors (1).

12774317 is an equidigital number, since it uses as much as digits as its factorization.

12774317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8232, while the sum is 32.

The square root of 12774317 is about 3574.1176533517. The cubic root of 12774317 is about 233.7648610758.

The spelling of 12774317 in words is "twelve million, seven hundred seventy-four thousand, three hundred seventeen".