12845812 has 24 divisors (see below), whose sum is σ = 27203904. Its totient is φ = 5181312.

The previous prime is 12845809. The next prime is 12845821. The reversal of 12845812 is 21854821.

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, 13018 + ... + 13969.

It is an arithmetic number, because the mean of its divisors is an integer number (1133496).

Almost surely, 2^12845812 is an apocalyptic number.

It is an amenable number.

12845812 is an abundant number, since it is smaller than the sum of its proper divisors (14358092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12845812 is a wasteful number, since it uses less digits than its factorization.

12845812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27015 (or 27013 counting only the distinct ones).

The product of its digits is 5120, while the sum is 31.

The square root of 12845812 is about 3584.1054671982. The cubic root of 12845812 is about 234.2001599037.

Subtracting 12845812 from its reverse (21854821), we obtain a palindrome (9009009).

The spelling of 12845812 in words is "twelve million, eight hundred forty-five thousand, eight hundred twelve".