12885211 has 4 divisors (see below), whose sum is σ = 13563400. Its totient is φ = 12207024.

The previous prime is 12885203. The next prime is 12885233. The reversal of 12885211 is 11258821.

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 12885211 - 2³ = 12885203 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 12885211.

It is not an unprimeable number, because it can be changed into a prime (12885511) 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 3 ways as a sum of consecutive naturals, for example, 339066 + ... + 339103.

It is an arithmetic number, because the mean of its divisors is an integer number (3390850).

Almost surely, 2^12885211 is an apocalyptic number.

12885211 is a deficient number, since it is larger than the sum of its proper divisors (678189).

12885211 is an equidigital number, since it uses as much as digits as its factorization.

12885211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678188.

The product of its digits is 1280, while the sum is 28.

The square root of 12885211 is about 3589.5976097607. The cubic root of 12885211 is about 234.4393515977.

The spelling of 12885211 in words is "twelve million, eight hundred eighty-five thousand, two hundred eleven".