12863275 has 6 divisors (see below), whose sum is σ = 15950492. Its totient is φ = 10290600.

The previous prime is 12863261. The next prime is 12863281. The reversal of 12863275 is 57236821.

It is a happy number.

It is not a de Polignac number, because 12863275 - 2¹¹ = 12861227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12863275.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 257241 + ... + 257290.

Almost surely, 2^12863275 is an apocalyptic number.

12863275 is a deficient number, since it is larger than the sum of its proper divisors (3087217).

12863275 is an equidigital number, since it uses as much as digits as its factorization.

12863275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514541 (or 514536 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 12863275 is about 3586.5408125379. The cubic root of 12863275 is about 234.3062381988.

The spelling of 12863275 in words is "twelve million, eight hundred sixty-three thousand, two hundred seventy-five".