11786886 has 12 divisors (see below), whose sum is σ = 25538292. Its totient is φ = 3928956.

The previous prime is 11786881. The next prime is 11786891. The reversal of 11786886 is 68868711.

It is an interprime number because it is at equal distance from previous prime (11786881) and next prime (11786891).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11786881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 327396 + ... + 327431.

It is an arithmetic number, because the mean of its divisors is an integer number (2128191).

Almost surely, 2^11786886 is an apocalyptic number.

11786886 is an abundant number, since it is smaller than the sum of its proper divisors (13751406).

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

11786886 is a wasteful number, since it uses less digits than its factorization.

11786886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654835 (or 654832 counting only the distinct ones).

The product of its digits is 129024, while the sum is 45.

The square root of 11786886 is about 3433.2034603268. The cubic root of 11786886 is about 227.5794417244.

The spelling of 11786886 in words is "eleven million, seven hundred eighty-six thousand, eight hundred eighty-six".