12844845 has 48 divisors (see below), whose sum is σ = 24770880. Its totient is φ = 6312384.

The previous prime is 12844841. The next prime is 12844859. The reversal of 12844845 is 54844821.

It is not a de Polignac number, because 12844845 - 2² = 12844841 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12844841) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 22534 + ... + 23096.

It is an arithmetic number, because the mean of its divisors is an integer number (516060).

Almost surely, 2^12844845 is an apocalyptic number.

12844845 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12844845 is a deficient number, since it is larger than the sum of its proper divisors (11926035).

12844845 is a wasteful number, since it uses less digits than its factorization.

12844845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603 (or 584 counting only the distinct ones).

The product of its digits is 40960, while the sum is 36.

The square root of 12844845 is about 3583.9705634952. The cubic root of 12844845 is about 234.1942830925.

It can be divided in two parts, 12844 and 845, that added together give a square (13689 = 117²).

The spelling of 12844845 in words is "twelve million, eight hundred forty-four thousand, eight hundred forty-five".