12872560 has 20 divisors (see below), whose sum is σ = 29928888. Its totient is φ = 5148992.

The previous prime is 12872507. The next prime is 12872569. The reversal of 12872560 is 6527821.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12872569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80374 + ... + 80533.

Almost surely, 2^12872560 is an apocalyptic number.

12872560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12872560 is an abundant number, since it is smaller than the sum of its proper divisors (17056328).

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

12872560 is a wasteful number, since it uses less digits than its factorization.

12872560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160920 (or 160914 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 31.

The square root of 12872560 is about 3587.8350017803. The cubic root of 12872560 is about 234.3626004699.

The spelling of 12872560 in words is "twelve million, eight hundred seventy-two thousand, five hundred sixty".