11885900 has 72 divisors (see below), whose sum is σ = 28581504. Its totient is φ = 4262400.

The previous prime is 11885899. The next prime is 11885903. The reversal of 11885900 is 958811.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11885903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53189 + ... + 53411.

Almost surely, 2^11885900 is an apocalyptic number.

11885900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11885900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14290752).

11885900 is an abundant number, since it is smaller than the sum of its proper divisors (16695604).

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

11885900 is a wasteful number, since it uses less digits than its factorization.

11885900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291 (or 284 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 32.

The square root of 11885900 is about 3447.5933634929. The cubic root of 11885900 is about 228.2149148278.

The spelling of 11885900 in words is "eleven million, eight hundred eighty-five thousand, nine hundred".