12275448 has 16 divisors (see below), whose sum is σ = 30688680. Its totient is φ = 4091808.

The previous prime is 12275429. The next prime is 12275449. The reversal of 12275448 is 84457221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12275449) 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, 255715 + ... + 255762.

Almost surely, 2^12275448 is an apocalyptic number.

It is an amenable number.

12275448 is an abundant number, since it is smaller than the sum of its proper divisors (18413232).

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

12275448 is a wasteful number, since it uses less digits than its factorization.

12275448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511486 (or 511482 counting only the distinct ones).

The product of its digits is 17920, while the sum is 33.

The square root of 12275448 is about 3503.6335424813. The cubic root of 12275448 is about 230.6813319257.

The spelling of 12275448 in words is "twelve million, two hundred seventy-five thousand, four hundred forty-eight".