11921884 has 12 divisors (see below), whose sum is σ = 22468264. Its totient is φ = 5502384.

The previous prime is 11921867. The next prime is 11921933. The reversal of 11921884 is 48812911.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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, 114582 + ... + 114685.

Almost surely, 2^11921884 is an apocalyptic number.

It is an amenable number.

11921884 is a deficient number, since it is larger than the sum of its proper divisors (10546380).

11921884 is a wasteful number, since it uses less digits than its factorization.

11921884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229284 (or 229282 counting only the distinct ones).

The product of its digits is 4608, while the sum is 34.

The square root of 11921884 is about 3452.8081325205. The cubic root of 11921884 is about 228.4449860935. Note that the first 3 decimals are identical.

The spelling of 11921884 in words is "eleven million, nine hundred twenty-one thousand, eight hundred eighty-four".