12081828 has 24 divisors (see below), whose sum is σ = 30754080. Its totient is φ = 3661120.

The previous prime is 12081809. The next prime is 12081829. The reversal of 12081828 is 82818021.

It is a junction number, because it is equal to n+sod(n) for n = 12081795 and 12081804.

It is not an unprimeable number, because it can be changed into a prime (12081829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45633 + ... + 45896.

It is an arithmetic number, because the mean of its divisors is an integer number (1281420).

Almost surely, 2^12081828 is an apocalyptic number.

It is an amenable number.

12081828 is an abundant number, since it is smaller than the sum of its proper divisors (18672252).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12081828 is a wasteful number, since it uses less digits than its factorization.

12081828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91547 (or 91545 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 30.

The square root of 12081828 is about 3475.8924033980. The cubic root of 12081828 is about 229.4620572262.

Adding to 12081828 its reverse (82818021), we get a palindrome (94899849).

The spelling of 12081828 in words is "twelve million, eighty-one thousand, eight hundred twenty-eight".