12863305 has 32 divisors (see below), whose sum is σ = 20127744. Its totient is φ = 7658496.

The previous prime is 12863303. The next prime is 12863351. The reversal of 12863305 is 50336821.

12863305 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12863305 - 2¹ = 12863303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12863303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6904 + ... + 8566.

It is an arithmetic number, because the mean of its divisors is an integer number (628992).

Almost surely, 2^12863305 is an apocalyptic number.

It is an amenable number.

12863305 is a deficient number, since it is larger than the sum of its proper divisors (7264439).

12863305 is a wasteful number, since it uses less digits than its factorization.

12863305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1705.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 12863305 is about 3586.5449948383. The cubic root of 12863305 is about 234.3064203499.

The spelling of 12863305 in words is "twelve million, eight hundred sixty-three thousand, three hundred five".