11643282 has 72 divisors (see below), whose sum is σ = 30126096. Its totient is φ = 3238704.

The previous prime is 11643251. The next prime is 11643293. The reversal of 11643282 is 28234611.

11643282 is a `hidden beast` number, since 11 + 643 + 2 + 8 + 2 = 666.

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 35 ways as a sum of consecutive naturals, for example, 37773 + ... + 38079.

It is an arithmetic number, because the mean of its divisors is an integer number (418418).

It is a vampire number, since it can be written as 1842 ⋅ 6321 (with its own digits).

Almost surely, 2^11643282 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11643282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15063048).

11643282 is an abundant number, since it is smaller than the sum of its proper divisors (18482814).

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

11643282 is a wasteful number, since it uses less digits than its factorization.

11643282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372 (or 362 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 11643282 is about 3412.2253735649. The cubic root of 11643282 is about 226.6514344820.

Adding to 11643282 its reverse (28234611), we get a palindrome (39877893).

The spelling of 11643282 in words is "eleven million, six hundred forty-three thousand, two hundred eighty-two".