11966779 has 6 divisors (see below), whose sum is σ = 13153700. Its totient is φ = 10878780.

The previous prime is 11966777. The next prime is 11966791. The reversal of 11966779 is 97766911.

It is not a de Polignac number, because 11966779 - 2¹ = 11966777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11966777) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49329 + ... + 49570.

Almost surely, 2^11966779 is an apocalyptic number.

11966779 is a deficient number, since it is larger than the sum of its proper divisors (1186921).

11966779 is an equidigital number, since it uses as much as digits as its factorization.

11966779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98921 (or 98910 counting only the distinct ones).

The product of its digits is 142884, while the sum is 46.

The square root of 11966779 is about 3459.3032535469. The cubic root of 11966779 is about 228.7313835169.

The spelling of 11966779 in words is "eleven million, nine hundred sixty-six thousand, seven hundred seventy-nine".