11966885 has 8 divisors (see below), whose sum is σ = 16411776. Its totient is φ = 8205840.

The previous prime is 11966881. The next prime is 11966887. The reversal of 11966885 is 58866911.

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

It is not a de Polignac number, because 11966885 - 2² = 11966881 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11966881) 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 7 ways as a sum of consecutive naturals, for example, 170921 + ... + 170990.

It is an arithmetic number, because the mean of its divisors is an integer number (2051472).

Almost surely, 2^11966885 is an apocalyptic number.

It is an amenable number.

11966885 is a deficient number, since it is larger than the sum of its proper divisors (4444891).

11966885 is an equidigital number, since it uses as much as digits as its factorization.

11966885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341923.

The product of its digits is 103680, while the sum is 44.

The square root of 11966885 is about 3459.3185745172. The cubic root of 11966885 is about 228.7320588714.

The spelling of 11966885 in words is "eleven million, nine hundred sixty-six thousand, eight hundred eighty-five".