12860120 has 64 divisors (see below), whose sum is σ = 35622720. Its totient is φ = 4068864.

The previous prime is 12860119. The next prime is 12860129. The reversal of 12860120 is 2106821.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 12860092 and 12860101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12860129) 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 15 ways as a sum of consecutive naturals, for example, 1874 + ... + 5406.

It is an arithmetic number, because the mean of its divisors is an integer number (556605).

Almost surely, 2^12860120 is an apocalyptic number.

12860120 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 12860120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17811360).

12860120 is an abundant number, since it is smaller than the sum of its proper divisors (22762600).

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

12860120 is a wasteful number, since it uses less digits than its factorization.

12860120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3564 (or 3560 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 12860120 is about 3586.1009467108. The cubic root of 12860120 is about 234.2870803864.

Adding to 12860120 its reverse (2106821), we get a palindrome (14966941).

The spelling of 12860120 in words is "twelve million, eight hundred sixty thousand, one hundred twenty".