11766917 has 2 divisors, whose sum is σ = 11766918. Its totient is φ = 11766916.

The previous prime is 11766893. The next prime is 11766929. The reversal of 11766917 is 71966711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11296321 + 470596 = 3361^2 + 686^2 .

It is an emirp because it is prime and its reverse (71966711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11766917 - 2¹⁴ = 11750533 is a prime.

It is a super-3 number, since 3×11766917³ (a number of 22 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11766217) 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, 5883458 + 5883459.

It is an arithmetic number, because the mean of its divisors is an integer number (5883459).

Almost surely, 2^11766917 is an apocalyptic number.

It is an amenable number.

11766917 is a deficient number, since it is larger than the sum of its proper divisors (1).

11766917 is an equidigital number, since it uses as much as digits as its factorization.

11766917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 38.

The square root of 11766917 is about 3430.2940107227. The cubic root of 11766917 is about 227.4508495841.

The spelling of 11766917 in words is "eleven million, seven hundred sixty-six thousand, nine hundred seventeen".