11920784 has 20 divisors (see below), whose sum is σ = 23391360. Its totient is φ = 5884320.

The previous prime is 11920759. The next prime is 11920789. The reversal of 11920784 is 48702911.

11920784 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 11920784.

It is not an unprimeable number, because it can be changed into a prime (11920789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3452 + ... + 5979.

It is an arithmetic number, because the mean of its divisors is an integer number (1169568).

Almost surely, 2^11920784 is an apocalyptic number.

It is an amenable number.

11920784 is a deficient number, since it is larger than the sum of its proper divisors (11470576).

11920784 is an equidigital number, since it uses as much as digits as its factorization.

11920784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9518 (or 9512 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 11920784 is about 3452.6488382110. The cubic root of 11920784 is about 228.4379598770.

The spelling of 11920784 in words is "eleven million, nine hundred twenty thousand, seven hundred eighty-four".