12881384 has 16 divisors (see below), whose sum is σ = 24667200. Its totient is φ = 6303472.

The previous prime is 12881371. The next prime is 12881387. The reversal of 12881384 is 48318821.

It is not an unprimeable number, because it can be changed into a prime (12881387) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 16754 + ... + 17505.

It is an arithmetic number, because the mean of its divisors is an integer number (1541700).

Almost surely, 2^12881384 is an apocalyptic number.

It is an amenable number.

12881384 is a deficient number, since it is larger than the sum of its proper divisors (11785816).

12881384 is a wasteful number, since it uses less digits than its factorization.

12881384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34312 (or 34308 counting only the distinct ones).

The product of its digits is 12288, while the sum is 35.

The square root of 12881384 is about 3589.0645020674. The cubic root of 12881384 is about 234.4161392437.

The spelling of 12881384 in words is "twelve million, eight hundred eighty-one thousand, three hundred eighty-four".