11530828 has 24 divisors (see below), whose sum is σ = 21948192. Its totient is φ = 5278464.

The previous prime is 11530817. The next prime is 11530829. The reversal of 11530828 is 82803511.

It is a junction number, because it is equal to n+sod(n) for n = 11530796 and 11530805.

It is not an unprimeable number, because it can be changed into a prime (11530829) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 225 + ... + 4807.

It is an arithmetic number, because the mean of its divisors is an integer number (914508).

Almost surely, 2^11530828 is an apocalyptic number.

It is an amenable number.

11530828 is a deficient number, since it is larger than the sum of its proper divisors (10417364).

11530828 is a wasteful number, since it uses less digits than its factorization.

11530828 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4641 (or 4639 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 11530828 is about 3395.7072900944. The cubic root of 11530828 is about 225.9193854544.

The spelling of 11530828 in words is "eleven million, five hundred thirty thousand, eight hundred twenty-eight".