11128806 has 64 divisors (see below), whose sum is σ = 27095040. Its totient is φ = 3365280.

The previous prime is 11128771. The next prime is 11128811. The reversal of 11128806 is 60882111.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 11128806.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58171 + ... + 58361.

It is an arithmetic number, because the mean of its divisors is an integer number (423360).

Almost surely, 2^11128806 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11128806, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13547520).

11128806 is an abundant number, since it is smaller than the sum of its proper divisors (15966234).

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

11128806 is a wasteful number, since it uses less digits than its factorization.

11128806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 292 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 27.

The square root of 11128806 is about 3335.9865107641. The cubic root of 11128806 is about 223.2627092847.

The spelling of 11128806 in words is "eleven million, one hundred twenty-eight thousand, eight hundred six".