11200680 has 80 divisors (see below), whose sum is σ = 37657620. Its totient is φ = 2985984.

The previous prime is 11200663. The next prime is 11200681. The reversal of 11200680 is 8600211.

It can be written as a sum of positive squares in 2 ways, for example, as 9474084 + 1726596 = 3078^2 + 1314^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11200681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1512 + ... + 4968.

Almost surely, 2^11200680 is an apocalyptic number.

11200680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11200680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18828810).

11200680 is an abundant number, since it is smaller than the sum of its proper divisors (26456940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11200680 is a wasteful number, since it uses less digits than its factorization.

11200680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480 (or 3467 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 11200680 is about 3346.7416990261. The cubic root of 11200680 is about 223.7423163513.

Adding to 11200680 its reverse (8600211), we get a palindrome (19800891).

The spelling of 11200680 in words is "eleven million, two hundred thousand, six hundred eighty".