11840728 has 16 divisors (see below), whose sum is σ = 22262760. Its totient is φ = 5904000.

The previous prime is 11840723. The next prime is 11840737. The reversal of 11840728 is 82704811.

11840728 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 11840728.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11840723) 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, 1363 + ... + 5053.

Almost surely, 2^11840728 is an apocalyptic number.

It is an amenable number.

11840728 is a deficient number, since it is larger than the sum of its proper divisors (10422032).

11840728 is a wasteful number, since it uses less digits than its factorization.

11840728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4098 (or 4094 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 31.

The square root of 11840728 is about 3441.0358905423. The cubic root of 11840728 is about 227.9254398656.

The spelling of 11840728 in words is "eleven million, eight hundred forty thousand, seven hundred twenty-eight".