12828859 has 4 divisors (see below), whose sum is σ = 13141800. Its totient is φ = 12515920.

The previous prime is 12828853. The next prime is 12828911. The reversal of 12828859 is 95882821.

12828859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12828859 - 2¹¹ = 12826811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12828853) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156409 + ... + 156490.

It is an arithmetic number, because the mean of its divisors is an integer number (3285450).

Almost surely, 2^12828859 is an apocalyptic number.

12828859 is a deficient number, since it is larger than the sum of its proper divisors (312941).

12828859 is an equidigital number, since it uses as much as digits as its factorization.

12828859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312940.

The product of its digits is 92160, while the sum is 43.

The square root of 12828859 is about 3581.7396611144. The cubic root of 12828859 is about 234.0970875766.

The spelling of 12828859 in words is "twelve million, eight hundred twenty-eight thousand, eight hundred fifty-nine".