12275817 has 8 divisors (see below), whose sum is σ = 16436640. Its totient is φ = 8149440.

The previous prime is 12275779. The next prime is 12275827. The reversal of 12275817 is 71857221.

12275817 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12275817 - 2¹⁰ = 12274793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12275827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7767 + ... + 9212.

It is an arithmetic number, because the mean of its divisors is an integer number (2054580).

Almost surely, 2^12275817 is an apocalyptic number.

It is an amenable number.

12275817 is a deficient number, since it is larger than the sum of its proper divisors (4160823).

12275817 is a wasteful number, since it uses less digits than its factorization.

12275817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17223.

The product of its digits is 7840, while the sum is 33.

The square root of 12275817 is about 3503.6862017024. The cubic root of 12275817 is about 230.6836433297.

The spelling of 12275817 in words is "twelve million, two hundred seventy-five thousand, eight hundred seventeen".