11728384 has 20 divisors (see below), whose sum is σ = 23434884. Its totient is φ = 5863936.

The previous prime is 11728373. The next prime is 11728391. The reversal of 11728384 is 48382711.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10942 + ... + 11965.

Almost surely, 2^11728384 is an apocalyptic number.

It is an amenable number.

11728384 is a deficient number, since it is larger than the sum of its proper divisors (11706500).

11728384 is an frugal number, since it uses more digits than its factorization.

11728384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22925 (or 22909 counting only the distinct ones).

The product of its digits is 10752, while the sum is 34.

The square root of 11728384 is about 3424.6728310891. The cubic root of 11728384 is about 227.2023011074.

The spelling of 11728384 in words is "eleven million, seven hundred twenty-eight thousand, three hundred eighty-four".