12855593 has 2 divisors, whose sum is σ = 12855594. Its totient is φ = 12855592.

The previous prime is 12855589. The next prime is 12855617. The reversal of 12855593 is 39555821.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12588304 + 267289 = 3548^2 + 517^2 .

It is a cyclic number.

It is not a de Polignac number, because 12855593 - 2² = 12855589 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12855503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6427796 + 6427797.

It is an arithmetic number, because the mean of its divisors is an integer number (6427797).

Almost surely, 2^12855593 is an apocalyptic number.

It is an amenable number.

12855593 is a deficient number, since it is larger than the sum of its proper divisors (1).

12855593 is an equidigital number, since it uses as much as digits as its factorization.

12855593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54000, while the sum is 38.

The square root of 12855593 is about 3585.4697042368. The cubic root of 12855593 is about 234.2595860320.

The spelling of 12855593 in words is "twelve million, eight hundred fifty-five thousand, five hundred ninety-three".