12907882 has 12 divisors (see below), whose sum is σ = 20966310. Its totient is φ = 5957328.

The previous prime is 12907847. The next prime is 12907883. The reversal of 12907882 is 28870921.

It can be written as a sum of positive squares in 3 ways, for example, as 3538161 + 9369721 = 1881^2 + 3061^2 .

It is a super-2 number, since 2×12907882² = 333226835451848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12907883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18757 + ... + 19432.

Almost surely, 2^12907882 is an apocalyptic number.

12907882 is a deficient number, since it is larger than the sum of its proper divisors (8058428).

12907882 is a wasteful number, since it uses less digits than its factorization.

12907882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38217 (or 38204 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 12907882 is about 3592.7540967898. The cubic root of 12907882 is about 234.5767665101.

The spelling of 12907882 in words is "twelve million, nine hundred seven thousand, eight hundred eighty-two".