11886979 has 8 divisors (see below), whose sum is σ = 12831840. Its totient is φ = 10946496.

The previous prime is 11886967. The next prime is 11886983. The reversal of 11886979 is 97968811.

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

It is a cyclic number.

It is not a de Polignac number, because 11886979 - 2⁹ = 11886467 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11886949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6594 + ... + 8200.

It is an arithmetic number, because the mean of its divisors is an integer number (1603980).

Almost surely, 2^11886979 is an apocalyptic number.

11886979 is a deficient number, since it is larger than the sum of its proper divisors (944861).

11886979 is a wasteful number, since it uses less digits than its factorization.

11886979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189.

The product of its digits is 217728, while the sum is 49.

The square root of 11886979 is about 3447.7498459140. The cubic root of 11886979 is about 228.2218203893.

The spelling of 11886979 in words is "eleven million, eight hundred eighty-six thousand, nine hundred seventy-nine".