11827828 has 12 divisors (see below), whose sum is σ = 20749540. Its totient is φ = 5899392.

The previous prime is 11827813. The next prime is 11827831. The reversal of 11827828 is 82872811.

It can be written as a sum of positive squares in 2 ways, for example, as 3602404 + 8225424 = 1898^2 + 2868^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 1683 + ... + 5146.

Almost surely, 2^11827828 is an apocalyptic number.

It is an amenable number.

11827828 is a deficient number, since it is larger than the sum of its proper divisors (8921712).

11827828 is a wasteful number, since it uses less digits than its factorization.

11827828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7266 (or 7264 counting only the distinct ones).

The product of its digits is 14336, while the sum is 37.

The square root of 11827828 is about 3439.1609441839. The cubic root of 11827828 is about 227.8426379022.

The spelling of 11827828 in words is "eleven million, eight hundred twenty-seven thousand, eight hundred twenty-eight".