12844545 has 32 divisors (see below), whose sum is σ = 23673600. Its totient is φ = 5825280.

The previous prime is 12844529. The next prime is 12844547. The reversal of 12844545 is 54544821.

It is a happy number.

12844545 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12844545 - 2⁴ = 12844529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12844547) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15235 + ... + 16055.

It is an arithmetic number, because the mean of its divisors is an integer number (739800).

Almost surely, 2^12844545 is an apocalyptic number.

12844545 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12844545 is a deficient number, since it is larger than the sum of its proper divisors (10829055).

12844545 is a wasteful number, since it uses less digits than its factorization.

12844545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 985.

The product of its digits is 25600, while the sum is 33.

The square root of 12844545 is about 3583.9287102285. The cubic root of 12844545 is about 234.1924598232.

The spelling of 12844545 in words is "twelve million, eight hundred forty-four thousand, five hundred forty-five".