11728544 has 12 divisors (see below), whose sum is σ = 23090634. Its totient is φ = 5864256.

The previous prime is 11728543. The next prime is 11728547. The reversal of 11728544 is 44582711.

It is a happy number.

11728544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 11478544 + 250000 = 3388^2 + 500^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 366517 = 11728544 / (1 + 1 + 7 + 2 + 8 + 5 + 4 + 4).

It is a self number, because there is not a number n which added to its sum of digits gives 11728544.

It is not an unprimeable number, because it can be changed into a prime (11728543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 183227 + ... + 183290.

Almost surely, 2^11728544 is an apocalyptic number.

It is an amenable number.

11728544 is a deficient number, since it is larger than the sum of its proper divisors (11362090).

11728544 is an equidigital number, since it uses as much as digits as its factorization.

11728544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366527 (or 366519 counting only the distinct ones).

The product of its digits is 8960, while the sum is 32.

The square root of 11728544 is about 3424.6961909051. The cubic root of 11728544 is about 227.2033342763.

The spelling of 11728544 in words is "eleven million, seven hundred twenty-eight thousand, five hundred forty-four".