12821159 has 8 divisors (see below), whose sum is σ = 13840512. Its totient is φ = 11806560.

The previous prime is 12821153. The next prime is 12821227. The reversal of 12821159 is 95112821.

12821159 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12821159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12821153) 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, 6122 + ... + 7944.

It is an arithmetic number, because the mean of its divisors is an integer number (1730064).

Almost surely, 2^12821159 is an apocalyptic number.

12821159 is a deficient number, since it is larger than the sum of its proper divisors (1019353).

12821159 is a wasteful number, since it uses less digits than its factorization.

12821159 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377.

The product of its digits is 1440, while the sum is 29.

The square root of 12821159 is about 3580.6646031149. The cubic root of 12821159 is about 234.0502424563.

The spelling of 12821159 in words is "twelve million, eight hundred twenty-one thousand, one hundred fifty-nine".