11871976 has 8 divisors (see below), whose sum is σ = 22259970. Its totient is φ = 5935984.

The previous prime is 11871973. The next prime is 11871983. The reversal of 11871976 is 67917811.

11871976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6916900 + 4955076 = 2630^2 + 2226^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (11871973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 741991 + ... + 742006.

Almost surely, 2^11871976 is an apocalyptic number.

It is an amenable number.

11871976 is a deficient number, since it is larger than the sum of its proper divisors (10387994).

11871976 is a wasteful number, since it uses less digits than its factorization.

11871976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1484003 (or 1483999 counting only the distinct ones).

The product of its digits is 21168, while the sum is 40.

The square root of 11871976 is about 3445.5733920496. The cubic root of 11871976 is about 228.1257642059.

The spelling of 11871976 in words is "eleven million, eight hundred seventy-one thousand, nine hundred seventy-six".