11806180 has 12 divisors (see below), whose sum is σ = 24793020. Its totient is φ = 4722464.

The previous prime is 11806147. The next prime is 11806189. The reversal of 11806180 is 8160811.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4804864 + 7001316 = 2192^2 + 2646^2 .

It is not an unprimeable number, because it can be changed into a prime (11806189) 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 3 ways as a sum of consecutive naturals, for example, 295135 + ... + 295174.

It is an arithmetic number, because the mean of its divisors is an integer number (2066085).

Almost surely, 2^11806180 is an apocalyptic number.

11806180 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11806180 is an abundant number, since it is smaller than the sum of its proper divisors (12986840).

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

11806180 is a wasteful number, since it uses less digits than its factorization.

11806180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 590318 (or 590316 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 25.

The square root of 11806180 is about 3436.0122234940. The cubic root of 11806180 is about 227.7035492591.

Adding to 11806180 its reverse (8160811), we get a palindrome (19966991).

The spelling of 11806180 in words is "eleven million, eight hundred six thousand, one hundred eighty".