12545844 has 12 divisors (see below), whose sum is σ = 29273664. Its totient is φ = 4181944.

The previous prime is 12545843. The next prime is 12545861. The reversal of 12545844 is 44854521.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12545843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522732 + ... + 522755.

It is an arithmetic number, because the mean of its divisors is an integer number (2439472).

Almost surely, 2^12545844 is an apocalyptic number.

It is an amenable number.

12545844 is an abundant number, since it is smaller than the sum of its proper divisors (16727820).

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

12545844 is a wasteful number, since it uses less digits than its factorization.

12545844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1045494 (or 1045492 counting only the distinct ones).

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

The square root of 12545844 is about 3542.0112930368. The cubic root of 12545844 is about 232.3628142023.

The spelling of 12545844 in words is "twelve million, five hundred forty-five thousand, eight hundred forty-four".