11000728 has 8 divisors (see below), whose sum is σ = 20626380. Its totient is φ = 5500360.

The previous prime is 11000723. The next prime is 11000741. The reversal of 11000728 is 82700011.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11000723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687538 + ... + 687553.

Almost surely, 2^11000728 is an apocalyptic number.

It is an amenable number.

11000728 is a deficient number, since it is larger than the sum of its proper divisors (9625652).

11000728 is a wasteful number, since it uses less digits than its factorization.

11000728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375097 (or 1375093 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 19.

The square root of 11000728 is about 3316.7345386690. The cubic root of 11000728 is about 222.4029151836.

Adding to 11000728 its reverse (82700011), we get a palindrome (93700739).

The spelling of 11000728 in words is "eleven million, seven hundred twenty-eight", and thus it is an aban number.