12012828 has 12 divisors (see below), whose sum is σ = 28029960. Its totient is φ = 4004272.

The previous prime is 12012817. The next prime is 12012851. The reversal of 12012828 is 82821021.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 12012798 and 12012807.

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, 500523 + ... + 500546.

It is an arithmetic number, because the mean of its divisors is an integer number (2335830).

Almost surely, 2^12012828 is an apocalyptic number.

It is an amenable number.

12012828 is an abundant number, since it is smaller than the sum of its proper divisors (16017132).

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

12012828 is a wasteful number, since it uses less digits than its factorization.

12012828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001076 (or 1001074 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 24.

The square root of 12012828 is about 3465.9526828853. The cubic root of 12012828 is about 229.0243994266.

Adding to 12012828 its reverse (82821021), we get a palindrome (94833849).

The spelling of 12012828 in words is "twelve million, twelve thousand, eight hundred twenty-eight".