12855959 has 4 divisors (see below), whose sum is σ = 12927960. Its totient is φ = 12783960.

The previous prime is 12855937. The next prime is 12855967. The reversal of 12855959 is 95955821.

12855959 is digitally balanced in base 3, 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, and also an emirpimes, since its reverse is a distinct semiprime: 95955821 = 13 ⋅7381217.

It is a cyclic number.

It is not a de Polignac number, because 12855959 - 2¹⁶ = 12790423 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 (12855929) 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, 35732 + ... + 36089.

It is an arithmetic number, because the mean of its divisors is an integer number (3231990).

Almost surely, 2^12855959 is an apocalyptic number.

12855959 is a deficient number, since it is larger than the sum of its proper divisors (72001).

12855959 is an equidigital number, since it uses as much as digits as its factorization.

12855959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72000.

The product of its digits is 162000, while the sum is 44.

The square root of 12855959 is about 3585.5207432115. The cubic root of 12855959 is about 234.2618091421.

The spelling of 12855959 in words is "twelve million, eight hundred fifty-five thousand, nine hundred fifty-nine".