12859055 has 24 divisors (see below), whose sum is σ = 17904240. Its totient is φ = 8791040.

The previous prime is 12859051. The next prime is 12859069. The reversal of 12859055 is 55095821.

It is not a de Polignac number, because 12859055 - 2² = 12859051 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12859051) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 15491 + ... + 16299.

It is an arithmetic number, because the mean of its divisors is an integer number (746010).

Almost surely, 2^12859055 is an apocalyptic number.

12859055 is a deficient number, since it is larger than the sum of its proper divisors (5045185).

12859055 is a wasteful number, since it uses less digits than its factorization.

12859055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859 (or 842 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 35.

The square root of 12859055 is about 3585.9524536725. The cubic root of 12859055 is about 234.2806127788.

The spelling of 12859055 in words is "twelve million, eight hundred fifty-nine thousand, fifty-five".