11805850 has 48 divisors (see below), whose sum is σ = 25444800. Its totient is φ = 3991680.

The previous prime is 11805847. The next prime is 11805853. The reversal of 11805850 is 5850811.

It is an interprime number because it is at equal distance from previous prime (11805847) and next prime (11805853).

It is not an unprimeable number, because it can be changed into a prime (11805853) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30961 + ... + 31339.

It is an arithmetic number, because the mean of its divisors is an integer number (530100).

Almost surely, 2^11805850 is an apocalyptic number.

11805850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11805850 is an abundant number, since it is smaller than the sum of its proper divisors (13638950).

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

11805850 is a wasteful number, since it uses less digits than its factorization.

11805850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 28.

The square root of 11805850 is about 3435.9642023746. The cubic root of 11805850 is about 227.7014276902.

The spelling of 11805850 in words is "eleven million, eight hundred five thousand, eight hundred fifty".