11784642 has 16 divisors (see below), whose sum is σ = 23799360. Its totient is φ = 3889872.

The previous prime is 11784637. The next prime is 11784673. The reversal of 11784642 is 24648711.

11784642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8917 + ... + 10152.

It is an arithmetic number, because the mean of its divisors is an integer number (1487460).

Almost surely, 2^11784642 is an apocalyptic number.

11784642 is an abundant number, since it is smaller than the sum of its proper divisors (12014718).

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

11784642 is a wasteful number, since it uses less digits than its factorization.

11784642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19177.

The product of its digits is 10752, while the sum is 33.

The square root of 11784642 is about 3432.8766362921. The cubic root of 11784642 is about 227.5649985351.

The spelling of 11784642 in words is "eleven million, seven hundred eighty-four thousand, six hundred forty-two".