12317771 has 2 divisors, whose sum is σ = 12317772. Its totient is φ = 12317770.

The previous prime is 12317743. The next prime is 12317797. The reversal of 12317771 is 17771321.

It is a strong prime.

It is an emirp because it is prime and its reverse (17771321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12317771 - 2¹⁰ = 12316747 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (12317471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6158885 + 6158886.

It is an arithmetic number, because the mean of its divisors is an integer number (6158886).

Almost surely, 2^12317771 is an apocalyptic number.

12317771 is a deficient number, since it is larger than the sum of its proper divisors (1).

12317771 is an equidigital number, since it uses as much as digits as its factorization.

12317771 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2058, while the sum is 29.

The square root of 12317771 is about 3509.6682179374. The cubic root of 12317771 is about 230.9461403763.

The spelling of 12317771 in words is "twelve million, three hundred seventeen thousand, seven hundred seventy-one".