12725560 has 32 divisors (see below), whose sum is σ = 28985040. Its totient is φ = 5027584.

The previous prime is 12725551. The next prime is 12725561. The reversal of 12725560 is 6552721.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12725561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1404 + ... + 5236.

Almost surely, 2^12725560 is an apocalyptic number.

12725560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12725560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14492520).

12725560 is an abundant number, since it is smaller than the sum of its proper divisors (16259480).

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

12725560 is a wasteful number, since it uses less digits than its factorization.

12725560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3927 (or 3923 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 12725560 is about 3567.2902881599. The cubic root of 12725560 is about 233.4670707247.

The spelling of 12725560 in words is "twelve million, seven hundred twenty-five thousand, five hundred sixty".