12725844 has 12 divisors (see below), whose sum is σ = 29693664. Its totient is φ = 4241944.

The previous prime is 12725837. The next prime is 12725849. The reversal of 12725844 is 44852721.

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

It is a Smith number, since the sum of its digits (33) 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 (12725849) 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, 530232 + ... + 530255.

It is an arithmetic number, because the mean of its divisors is an integer number (2474472).

Almost surely, 2^12725844 is an apocalyptic number.

It is an amenable number.

12725844 is an abundant number, since it is smaller than the sum of its proper divisors (16967820).

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

12725844 is a wasteful number, since it uses less digits than its factorization.

12725844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1060494 (or 1060492 counting only the distinct ones).

The product of its digits is 17920, while the sum is 33.

The square root of 12725844 is about 3567.3300940619. The cubic root of 12725844 is about 233.4688074958.

The spelling of 12725844 in words is "twelve million, seven hundred twenty-five thousand, eight hundred forty-four".