11986886 has 8 divisors (see below), whose sum is σ = 18003384. Its totient is φ = 5985760.

The previous prime is 11986879. The next prime is 11986913. The reversal of 11986886 is 68868911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 11986886.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1640 + ... + 5163.

It is an arithmetic number, because the mean of its divisors is an integer number (2250423).

Almost surely, 2^11986886 is an apocalyptic number.

11986886 is a deficient number, since it is larger than the sum of its proper divisors (6016498).

11986886 is an equidigital number, since it uses as much as digits as its factorization.

11986886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7686.

The product of its digits is 165888, while the sum is 47.

The square root of 11986886 is about 3462.2082548570. The cubic root of 11986886 is about 228.8594193198.

It can be divided in two parts, 1198 and 6886, that multiplied together give a palindrome (8249428).

The spelling of 11986886 in words is "eleven million, nine hundred eighty-six thousand, eight hundred eighty-six".