11705828 has 24 divisors (see below), whose sum is σ = 21178584. Its totient is φ = 5657600.

The previous prime is 11705819. The next prime is 11705831. The reversal of 11705828 is 82850711.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 23104 + 11682724 = 152^2 + 3418^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11705794 and 11705803.

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 in 7 ways as a sum of consecutive naturals, for example, 22208 + ... + 22728.

It is an arithmetic number, because the mean of its divisors is an integer number (882441).

Almost surely, 2^11705828 is an apocalyptic number.

It is an amenable number.

11705828 is a deficient number, since it is larger than the sum of its proper divisors (9472756).

11705828 is a wasteful number, since it uses less digits than its factorization.

11705828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 11705828 is about 3421.3780849243. The cubic root of 11705828 is about 227.0565559949.

The spelling of 11705828 in words is "eleven million, seven hundred five thousand, eight hundred twenty-eight".