12855536 has 40 divisors (see below), whose sum is σ = 26632224. Its totient is φ = 5990400.

The previous prime is 12855529. The next prime is 12855589. The reversal of 12855536 is 63555821.

It is a junction number, because it is equal to n+sod(n) for n = 12855496 and 12855505.

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, 40916 + ... + 41228.

Almost surely, 2^12855536 is an apocalyptic number.

12855536 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 12855536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13316112).

12855536 is an abundant number, since it is smaller than the sum of its proper divisors (13776688).

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

12855536 is a wasteful number, since it uses less digits than its factorization.

12855536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 483 counting only the distinct ones).

The product of its digits is 36000, while the sum is 35.

The square root of 12855536 is about 3585.4617554786. The cubic root of 12855536 is about 234.2592398061.

The spelling of 12855536 in words is "twelve million, eight hundred fifty-five thousand, five hundred thirty-six".