11809852 has 12 divisors (see below), whose sum is σ = 20691720. Its totient is φ = 5897936.

The previous prime is 11809841. The next prime is 11809859. The reversal of 11809852 is 25890811.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11809859) 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, 4674 + ... + 6742.

It is an arithmetic number, because the mean of its divisors is an integer number (1724310).

Almost surely, 2^11809852 is an apocalyptic number.

It is an amenable number.

11809852 is a deficient number, since it is larger than the sum of its proper divisors (8881868).

11809852 is a wasteful number, since it uses less digits than its factorization.

11809852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500 (or 3498 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 34.

The square root of 11809852 is about 3436.5465223099. The cubic root of 11809852 is about 227.7271538674.

The spelling of 11809852 in words is "eleven million, eight hundred nine thousand, eight hundred fifty-two".