12856099 has 2 divisors, whose sum is σ = 12856100. Its totient is φ = 12856098.

The previous prime is 12856091. The next prime is 12856133. The reversal of 12856099 is 99065821.

12856099 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12856099 - 2³ = 12856091 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12856091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6428049 + 6428050.

It is an arithmetic number, because the mean of its divisors is an integer number (6428050).

Almost surely, 2^12856099 is an apocalyptic number.

12856099 is a deficient number, since it is larger than the sum of its proper divisors (1).

12856099 is an equidigital number, since it uses as much as digits as its factorization.

12856099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 12856099 is about 3585.5402661245. The cubic root of 12856099 is about 234.2626595009.

It can be divided in two parts, 1 and 2856099, that added together give a square (2856100 = 1690²).

The spelling of 12856099 in words is "twelve million, eight hundred fifty-six thousand, ninety-nine".