12860256 has 48 divisors (see below), whose sum is σ = 34095600. Its totient is φ = 4243968.

The previous prime is 12860227. The next prime is 12860261. The reversal of 12860256 is 65206821.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9850 + ... + 11078.

It is an arithmetic number, because the mean of its divisors is an integer number (710325).

Almost surely, 2^12860256 is an apocalyptic number.

12860256 is a gapful number since it is divisible by the number (16) 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 12860256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17047800).

12860256 is an abundant number, since it is smaller than the sum of its proper divisors (21235344).

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

12860256 is a wasteful number, since it uses less digits than its factorization.

12860256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351 (or 1343 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 12860256 is about 3586.1199087593. The cubic root of 12860256 is about 234.2879062711.

The spelling of 12860256 in words is "twelve million, eight hundred sixty thousand, two hundred fifty-six".