11966893 has 2 divisors, whose sum is σ = 11966894. Its totient is φ = 11966892.

The previous prime is 11966887. The next prime is 11966897. The reversal of 11966893 is 39866911.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10323369 + 1643524 = 3213^2 + 1282^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11966893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11966897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5983446 + 5983447.

It is an arithmetic number, because the mean of its divisors is an integer number (5983447).

Almost surely, 2^11966893 is an apocalyptic number.

It is an amenable number.

11966893 is a deficient number, since it is larger than the sum of its proper divisors (1).

11966893 is an equidigital number, since it uses as much as digits as its factorization.

11966893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 43.

The square root of 11966893 is about 3459.3197308141. The cubic root of 11966893 is about 228.7321098414.

The spelling of 11966893 in words is "eleven million, nine hundred sixty-six thousand, eight hundred ninety-three".