11328728 has 16 divisors (see below), whose sum is σ = 21277080. Its totient is φ = 5654848.

The previous prime is 11328701. The next prime is 11328743. The reversal of 11328728 is 82782311.

It is a junction number, because it is equal to n+sod(n) for n = 11328694 and 11328703.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8900 + ... + 10092.

Almost surely, 2^11328728 is an apocalyptic number.

It is an amenable number.

11328728 is a deficient number, since it is larger than the sum of its proper divisors (9948352).

11328728 is a wasteful number, since it uses less digits than its factorization.

11328728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2386 (or 2382 counting only the distinct ones).

The product of its digits is 5376, while the sum is 32.

The square root of 11328728 is about 3365.8175826981. The cubic root of 11328728 is about 224.5917072828.

The spelling of 11328728 in words is "eleven million, three hundred twenty-eight thousand, seven hundred twenty-eight".