12860100 has 144 divisors (see below), whose sum is σ = 45205440. Its totient is φ = 3110400.

The previous prime is 12860087. The next prime is 12860117. The reversal of 12860100 is 106821.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 29484 + ... + 29916.

Almost surely, 2^12860100 is an apocalyptic number.

12860100 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 12860100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22602720).

12860100 is an abundant number, since it is smaller than the sum of its proper divisors (32345340).

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

12860100 is a wasteful number, since it uses less digits than its factorization.

12860100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 12860100 is about 3586.0981581658. The cubic root of 12860100 is about 234.2869589322.

Adding to 12860100 its reverse (106821), we get a palindrome (12966921).

The spelling of 12860100 in words is "twelve million, eight hundred sixty thousand, one hundred".