12816275 has 12 divisors (see below), whose sum is σ = 16163400. Its totient is φ = 10078080.

The previous prime is 12816269. The next prime is 12816277. The reversal of 12816275 is 57261821.

12816275 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12816275 - 2⁴ = 12816259 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12816277) 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 11 ways as a sum of consecutive naturals, for example, 2870 + ... + 5819.

It is an arithmetic number, because the mean of its divisors is an integer number (1346950).

Almost surely, 2^12816275 is an apocalyptic number.

12816275 is a deficient number, since it is larger than the sum of its proper divisors (3347125).

12816275 is an equidigital number, since it uses as much as digits as its factorization.

12816275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8758 (or 8753 counting only the distinct ones).

The product of its digits is 6720, while the sum is 32.

The square root of 12816275 is about 3579.9825418569. The cubic root of 12816275 is about 234.0205195438.

The spelling of 12816275 in words is "twelve million, eight hundred sixteen thousand, two hundred seventy-five".