12882280 has 16 divisors (see below), whose sum is σ = 28985220. Its totient is φ = 5152896.

The previous prime is 12882271. The next prime is 12882283. The reversal of 12882280 is 8228821.

It can be written as a sum of positive squares in 2 ways, for example, as 12068676 + 813604 = 3474^2 + 902^2 .

It is not an unprimeable number, because it can be changed into a prime (12882283) 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, 160989 + ... + 161068.

Almost surely, 2^12882280 is an apocalyptic number.

12882280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12882280 is an abundant number, since it is smaller than the sum of its proper divisors (16102940).

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

12882280 is a wasteful number, since it uses less digits than its factorization.

12882280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322068 (or 322064 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 12882280 is about 3589.1893235103. The cubic root of 12882280 is about 234.4215742702.

The spelling of 12882280 in words is "twelve million, eight hundred eighty-two thousand, two hundred eighty".