12881867 has 8 divisors (see below), whose sum is σ = 13632000. Its totient is φ = 12138984.

The previous prime is 12881839. The next prime is 12881899. The reversal of 12881867 is 76818821.

12881867 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12881867 - 2²⁰ = 11833291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12811867) 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 7 ways as a sum of consecutive naturals, for example, 2078 + ... + 5484.

It is an arithmetic number, because the mean of its divisors is an integer number (1704000).

Almost surely, 2^12881867 is an apocalyptic number.

12881867 is a deficient number, since it is larger than the sum of its proper divisors (750133).

12881867 is a wasteful number, since it uses less digits than its factorization.

12881867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3625.

The product of its digits is 43008, while the sum is 41.

The square root of 12881867 is about 3589.1317891657. The cubic root of 12881867 is about 234.4190690940.

The spelling of 12881867 in words is "twelve million, eight hundred eighty-one thousand, eight hundred sixty-seven".