11806228 has 36 divisors (see below), whose sum is σ = 25100320. Its totient is φ = 4758912.

The previous prime is 11806189. The next prime is 11806231. The reversal of 11806228 is 82260811.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 11806196 and 11806205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7363 + ... + 8821.

Almost surely, 2^11806228 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11806228, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12550160).

11806228 is an abundant number, since it is smaller than the sum of its proper divisors (13294092).

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

11806228 is a wasteful number, since it uses less digits than its factorization.

11806228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504 (or 1485 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 11806228 is about 3436.0192083281. The cubic root of 11806228 is about 227.7038578476.

The spelling of 11806228 in words is "eleven million, eight hundred six thousand, two hundred twenty-eight".