12273296 has 20 divisors (see below), whose sum is σ = 27176832. Its totient is φ = 5259936.

The previous prime is 12273281. The next prime is 12273299. The reversal of 12273296 is 69237221.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12273299) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 54680 + ... + 54903.

Almost surely, 2^12273296 is an apocalyptic number.

12273296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12273296 is an abundant number, since it is smaller than the sum of its proper divisors (14903536).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12273296 is a wasteful number, since it uses less digits than its factorization.

12273296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109598 (or 109592 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 12273296 is about 3503.3264192764. The cubic root of 12273296 is about 230.6678509449.

The spelling of 12273296 in words is "twelve million, two hundred seventy-three thousand, two hundred ninety-six".