12858828 has 12 divisors (see below), whose sum is σ = 30003960. Its totient is φ = 4286272.

The previous prime is 12858827. The next prime is 12858847. The reversal of 12858828 is 82885821.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12858828.

It is not an unprimeable number, because it can be changed into a prime (12858827) 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 3 ways as a sum of consecutive naturals, for example, 535773 + ... + 535796.

It is an arithmetic number, because the mean of its divisors is an integer number (2500330).

Almost surely, 2^12858828 is an apocalyptic number.

It is an amenable number.

12858828 is an abundant number, since it is smaller than the sum of its proper divisors (17145132).

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

12858828 is a wasteful number, since it uses less digits than its factorization.

12858828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071576 (or 1071574 counting only the distinct ones).

The product of its digits is 81920, while the sum is 42.

The square root of 12858828 is about 3585.9208022487. The cubic root of 12858828 is about 234.2792341909.

The spelling of 12858828 in words is "twelve million, eight hundred fifty-eight thousand, eight hundred twenty-eight".