12844885 has 8 divisors (see below), whose sum is σ = 15433560. Its totient is φ = 10262784.

The previous prime is 12844873. The next prime is 12844901. The reversal of 12844885 is 58844821.

It can be written as a sum of positive squares in 4 ways, for example, as 4218916 + 8625969 = 2054^2 + 2937^2 .

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 12844885 - 2¹³ = 12836693 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5449 + ... + 7441.

It is an arithmetic number, because the mean of its divisors is an integer number (1929195).

Almost surely, 2^12844885 is an apocalyptic number.

It is an amenable number.

12844885 is a deficient number, since it is larger than the sum of its proper divisors (2588675).

12844885 is a wasteful number, since it uses less digits than its factorization.

12844885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3287.

The product of its digits is 81920, while the sum is 40.

The square root of 12844885 is about 3583.9761438938. The cubic root of 12844885 is about 234.1945261929.

The spelling of 12844885 in words is "twelve million, eight hundred forty-four thousand, eight hundred eighty-five".