12648871 has 4 divisors (see below), whose sum is σ = 12703392. Its totient is φ = 12594352.

The previous prime is 12648859. The next prime is 12648877. The reversal of 12648871 is 17884621.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12648871 - 2¹⁵ = 12616103 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12648871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12648877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26911 + ... + 27376.

It is an arithmetic number, because the mean of its divisors is an integer number (3175848).

Almost surely, 2^12648871 is an apocalyptic number.

12648871 is a deficient number, since it is larger than the sum of its proper divisors (54521).

12648871 is an equidigital number, since it uses as much as digits as its factorization.

12648871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54520.

The product of its digits is 21504, while the sum is 37.

The square root of 12648871 is about 3556.5251299548. The cubic root of 12648871 is about 232.9971387345.

The spelling of 12648871 in words is "twelve million, six hundred forty-eight thousand, eight hundred seventy-one".