11689828 has 6 divisors (see below), whose sum is σ = 20457206. Its totient is φ = 5844912.

The previous prime is 11689801. The next prime is 11689837. The reversal of 11689828 is 82898611.

It can be written as a sum of positive squares in only one way, i.e., 6110784 + 5579044 = 2472^2 + 2362^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1461225 + ... + 1461232.

Almost surely, 2^11689828 is an apocalyptic number.

It is an amenable number.

11689828 is a deficient number, since it is larger than the sum of its proper divisors (8767378).

11689828 is a wasteful number, since it uses less digits than its factorization.

11689828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922461 (or 2922459 counting only the distinct ones).

The product of its digits is 55296, while the sum is 43.

The square root of 11689828 is about 3419.0390462819. The cubic root of 11689828 is about 226.9530587924.

The spelling of 11689828 in words is "eleven million, six hundred eighty-nine thousand, eight hundred twenty-eight".