11871882 has 48 divisors (see below), whose sum is σ = 29719872. Its totient is φ = 3384960.

The previous prime is 11871829. The next prime is 11871907. The reversal of 11871882 is 28817811.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1603 + ... + 5129.

It is an arithmetic number, because the mean of its divisors is an integer number (619164).

Almost surely, 2^11871882 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11871882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14859936).

11871882 is an abundant number, since it is smaller than the sum of its proper divisors (17847990).

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

11871882 is a wasteful number, since it uses less digits than its factorization.

11871882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3563 (or 3560 counting only the distinct ones).

The product of its digits is 7168, while the sum is 36.

The square root of 11871882 is about 3445.5597513321. The cubic root of 11871882 is about 228.1251621191.

The spelling of 11871882 in words is "eleven million, eight hundred seventy-one thousand, eight hundred eighty-two".