12274280 has 16 divisors (see below), whose sum is σ = 27617220. Its totient is φ = 4909696.

The previous prime is 12274277. The next prime is 12274303. The reversal of 12274280 is 8247221.

12274280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 10125124 + 2149156 = 3182^2 + 1466^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153389 + ... + 153468.

Almost surely, 2^12274280 is an apocalyptic number.

12274280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12274280 is an abundant number, since it is smaller than the sum of its proper divisors (15342940).

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

12274280 is a wasteful number, since it uses less digits than its factorization.

12274280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306868 (or 306864 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 12274280 is about 3503.4668544172. The cubic root of 12274280 is about 230.6740153064.

The spelling of 12274280 in words is "twelve million, two hundred seventy-four thousand, two hundred eighty".