12275223 has 4 divisors (see below), whose sum is σ = 16366968. Its totient is φ = 8183480.

The previous prime is 12275209. The next prime is 12275233. The reversal of 12275223 is 32257221.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32257221 = 3 ⋅10752407.

It is a cyclic number.

It is not a de Polignac number, because 12275223 - 2⁸ = 12274967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12275193 and 12275202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12275203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2045868 + ... + 2045873.

It is an arithmetic number, because the mean of its divisors is an integer number (4091742).

Almost surely, 2^12275223 is an apocalyptic number.

12275223 is a deficient number, since it is larger than the sum of its proper divisors (4091745).

12275223 is an equidigital number, since it uses as much as digits as its factorization.

12275223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4091744.

The product of its digits is 1680, while the sum is 24.

The square root of 12275223 is about 3503.6014328117. The cubic root of 12275223 is about 230.6799225103.

The spelling of 12275223 in words is "twelve million, two hundred seventy-five thousand, two hundred twenty-three".