12872660 has 12 divisors (see below), whose sum is σ = 27032628. Its totient is φ = 5149056.

The previous prime is 12872653. The next prime is 12872681. The reversal of 12872660 is 6627821.

12872660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2709316 + 10163344 = 1646^2 + 3188^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321797 + ... + 321836.

It is an arithmetic number, because the mean of its divisors is an integer number (2252719).

Almost surely, 2^12872660 is an apocalyptic number.

12872660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12872660 is an abundant number, since it is smaller than the sum of its proper divisors (14159968).

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

12872660 is a wasteful number, since it uses less digits than its factorization.

12872660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 643642 (or 643640 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 12872660 is about 3587.8489377341. The cubic root of 12872660 is about 234.3632073474.

The spelling of 12872660 in words is "twelve million, eight hundred seventy-two thousand, six hundred sixty".