11982886 has 4 divisors (see below), whose sum is σ = 17974332. Its totient is φ = 5991442.

The previous prime is 11982881. The next prime is 11982889. The reversal of 11982886 is 68828911.

11982886 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11982881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2995720 + ... + 2995723.

It is an arithmetic number, because the mean of its divisors is an integer number (4493583).

Almost surely, 2^11982886 is an apocalyptic number.

11982886 is a deficient number, since it is larger than the sum of its proper divisors (5991446).

11982886 is an equidigital number, since it uses as much as digits as its factorization.

11982886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5991445.

The product of its digits is 55296, while the sum is 43.

The square root of 11982886 is about 3461.6305406557. The cubic root of 11982886 is about 228.8339598434.

The spelling of 11982886 in words is "eleven million, nine hundred eighty-two thousand, eight hundred eighty-six".