12686760 has 128 divisors (see below), whose sum is σ = 44841600. Its totient is φ = 3179520.

The previous prime is 12686759. The next prime is 12686783. The reversal of 12686760 is 6768621.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18015 + ... + 18705.

It is an arithmetic number, because the mean of its divisors is an integer number (350325).

Almost surely, 2^12686760 is an apocalyptic number.

12686760 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 12686760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22420800).

12686760 is an abundant number, since it is smaller than the sum of its proper divisors (32154840).

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

12686760 is a wasteful number, since it uses less digits than its factorization.

12686760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 728 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 12686760 is about 3561.8478350429. The cubic root of 12686760 is about 233.2295502176.

The spelling of 12686760 in words is "twelve million, six hundred eighty-six thousand, seven hundred sixty".