12882340 has 12 divisors (see below), whose sum is σ = 27052956. Its totient is φ = 5152928.

The previous prime is 12882319. The next prime is 12882341. The reversal of 12882340 is 4328821.

It can be written as a sum of positive squares in 2 ways, for example, as 1308736 + 11573604 = 1144^2 + 3402^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12882299 and 12882308.

It is not an unprimeable number, because it can be changed into a prime (12882341) 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, 322039 + ... + 322078.

It is an arithmetic number, because the mean of its divisors is an integer number (2254413).

Almost surely, 2^12882340 is an apocalyptic number.

12882340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12882340 is an abundant number, since it is smaller than the sum of its proper divisors (14170616).

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

12882340 is a wasteful number, since it uses less digits than its factorization.

12882340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644126 (or 644124 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 12882340 is about 3589.1976819339. The cubic root of 12882340 is about 234.4219382139.

The spelling of 12882340 in words is "twelve million, eight hundred eighty-two thousand, three hundred forty".