12881271 has 8 divisors (see below), whose sum is σ = 18496240. Its totient is φ = 7926912.

The previous prime is 12881251. The next prime is 12881273. The reversal of 12881271 is 17218821.

It is a happy number.

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

It is not a de Polignac number, because 12881271 - 2⁶ = 12881207 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12881273) 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, 165106 + ... + 165183.

It is an arithmetic number, because the mean of its divisors is an integer number (2312030).

Almost surely, 2^12881271 is an apocalyptic number.

12881271 is a deficient number, since it is larger than the sum of its proper divisors (5614969).

12881271 is a wasteful number, since it uses less digits than its factorization.

12881271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330305.

The product of its digits is 1792, while the sum is 30.

The square root of 12881271 is about 3589.0487597691. The cubic root of 12881271 is about 234.4154537816.

The spelling of 12881271 in words is "twelve million, eight hundred eighty-one thousand, two hundred seventy-one".