12881466 has 24 divisors (see below), whose sum is σ = 30057300. Its totient is φ = 3963456.

The previous prime is 12881441. The next prime is 12881471. The reversal of 12881466 is 66418821.

It can be written as a sum of positive squares in 2 ways, for example, as 12852225 + 29241 = 3585^2 + 171^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12881466.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27291 + ... + 27758.

Almost surely, 2^12881466 is an apocalyptic number.

12881466 is an abundant number, since it is smaller than the sum of its proper divisors (17175834).

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

12881466 is a wasteful number, since it uses less digits than its factorization.

12881466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55070 (or 55067 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 12881466 is about 3589.0759256388. The cubic root of 12881466 is about 234.4166366562.

The spelling of 12881466 in words is "twelve million, eight hundred eighty-one thousand, four hundred sixty-six".