11000872 has 8 divisors (see below), whose sum is σ = 20626650. Its totient is φ = 5500432.

The previous prime is 11000861. The next prime is 11000879. The reversal of 11000872 is 27800011.

11000872 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., 10201636 + 799236 = 3194^2 + 894^2 .

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

It is not an unprimeable number, because it can be changed into a prime (11000879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 687547 + ... + 687562.

Almost surely, 2^11000872 is an apocalyptic number.

It is an amenable number.

11000872 is a deficient number, since it is larger than the sum of its proper divisors (9625778).

11000872 is a wasteful number, since it uses less digits than its factorization.

11000872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1375115 (or 1375111 counting only the distinct ones).

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

The square root of 11000872 is about 3316.7562466965. The cubic root of 11000872 is about 222.4038856006.

Adding to 11000872 its reverse (27800011), we get a palindrome (38800883).

The spelling of 11000872 in words is "eleven million, eight hundred seventy-two", and thus it is an aban number.