11867976 has 48 divisors (see below), whose sum is σ = 32348160. Its totient is φ = 3930720.

The previous prime is 11867963. The next prime is 11867981. The reversal of 11867976 is 67976811.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 13321 + ... + 14183.

It is an arithmetic number, because the mean of its divisors is an integer number (673920).

Almost surely, 2^11867976 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11867976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16174080).

11867976 is an abundant number, since it is smaller than the sum of its proper divisors (20480184).

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

11867976 is a wasteful number, since it uses less digits than its factorization.

11867976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066 (or 1059 counting only the distinct ones).

The product of its digits is 127008, while the sum is 45.

The square root of 11867976 is about 3444.9928882365. The cubic root of 11867976 is about 228.1001406826.

The spelling of 11867976 in words is "eleven million, eight hundred sixty-seven thousand, nine hundred seventy-six".