11828 has 6 divisors (see below), whose sum is σ = 20706. Its totient is φ = 5912.

The previous prime is 11827. The next prime is 11831. The reversal of 11828 is 82811.

11828 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8464 + 3364 = 92^2 + 58^2 .

It is a plaindrome in base 14 and base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1475 + ... + 1482.

It is an arithmetic number, because the mean of its divisors is an integer number (3451).

2¹¹⁸²⁸ is an apocalyptic number.

It is an amenable number.

11828 is a deficient number, since it is larger than the sum of its proper divisors (8878).

11828 is a wasteful number, since it uses less digits than its factorization.

11828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2961 (or 2959 counting only the distinct ones).

The product of its digits is 128, while the sum is 20.

The square root of 11828 is about 108.7566089946. The cubic root of 11828 is about 22.7843742324.

The spelling of 11828 in words is "eleven thousand, eight hundred twenty-eight".