11797866 has 16 divisors (see below), whose sum is σ = 26217600. Its totient is φ = 3932604.

The previous prime is 11797861. The next prime is 11797901. The reversal of 11797866 is 66879711.

It is not an unprimeable number, because it can be changed into a prime (11797861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109186 + ... + 109293.

It is an arithmetic number, because the mean of its divisors is an integer number (1638600).

Almost surely, 2^11797866 is an apocalyptic number.

11797866 is an abundant number, since it is smaller than the sum of its proper divisors (14419734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11797866 is a wasteful number, since it uses less digits than its factorization.

11797866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218490 (or 218484 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 11797866 is about 3434.8021777098. The cubic root of 11797866 is about 227.6500865283.

It can be divided in two parts, 1179 and 7866, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 11797866 in words is "eleven million, seven hundred ninety-seven thousand, eight hundred sixty-six".