12255276 has 48 divisors (see below), whose sum is σ = 31409280. Its totient is φ = 3688320.

The previous prime is 12255259. The next prime is 12255277. The reversal of 12255276 is 67255221.

It is not an unprimeable number, because it can be changed into a prime (12255277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29760 + ... + 30168.

It is an arithmetic number, because the mean of its divisors is an integer number (654360).

Almost surely, 2^12255276 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12255276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15704640).

12255276 is an abundant number, since it is smaller than the sum of its proper divisors (19154004).

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

12255276 is a wasteful number, since it uses less digits than its factorization.

12255276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 654 (or 652 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 12255276 is about 3500.7536331482. The cubic root of 12255276 is about 230.5549046309.

Subtracting 12255276 from its reverse (67255221), we obtain a palindrome (54999945).

The spelling of 12255276 in words is "twelve million, two hundred fifty-five thousand, two hundred seventy-six".