12273328 has 30 divisors (see below), whose sum is σ = 24362156. Its totient is φ = 5988576.

The previous prime is 12273323. The next prime is 12273341. The reversal of 12273328 is 82337221.

12273328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12273296 and 12273305.

It is not an unprimeable number, because it can be changed into a prime (12273323) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 114651 + ... + 114757.

Almost surely, 2^12273328 is an apocalyptic number.

It is an amenable number.

12273328 is a deficient number, since it is larger than the sum of its proper divisors (12088828).

12273328 is an equidigital number, since it uses as much as digits as its factorization.

12273328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289 (or 176 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 12273328 is about 3503.3309863614. The cubic root of 12273328 is about 230.6680514171.

The spelling of 12273328 in words is "twelve million, two hundred seventy-three thousand, three hundred twenty-eight".