11886666 has 32 divisors (see below), whose sum is σ = 27302400. Its totient is φ = 3412080.

The previous prime is 11886661. The next prime is 11886691. The reversal of 11886666 is 66668811.

11886666 is a modest number, since divided by 6666 gives 1188 as remainder.

It is a Curzon number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11886661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3486 + ... + 5993.

It is an arithmetic number, because the mean of its divisors is an integer number (853200).

Almost surely, 2^11886666 is an apocalyptic number.

11886666 is an abundant number, since it is smaller than the sum of its proper divisors (15415734).

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

11886666 is a wasteful number, since it uses less digits than its factorization.

11886666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9514.

The product of its digits is 82944, while the sum is 42.

The square root of 11886666 is about 3447.7044536909. The cubic root of 11886666 is about 228.2198172435.

The spelling of 11886666 in words is "eleven million, eight hundred eighty-six thousand, six hundred sixty-six".