12256776 has 96 divisors (see below), whose sum is σ = 38525760. Its totient is φ = 3447936.

The previous prime is 12256759. The next prime is 12256787. The reversal of 12256776 is 67765221.

12256776 is a `hidden beast` number, since 1 + 22 + 567 + 76 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12256776.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 41686 + ... + 41978.

It is an arithmetic number, because the mean of its divisors is an integer number (401310).

Almost surely, 2^12256776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12256776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19262880).

12256776 is an abundant number, since it is smaller than the sum of its proper divisors (26268984).

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

12256776 is a wasteful number, since it uses less digits than its factorization.

12256776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 395 (or 388 counting only the distinct ones).

The product of its digits is 35280, while the sum is 36.

The square root of 12256776 is about 3500.9678661764. The cubic root of 12256776 is about 230.5643106002.

It can be divided in two parts, 1225 and 6776, that added together give a triangular number (8001 = T₁₂₆).

The spelling of 12256776 in words is "twelve million, two hundred fifty-six thousand, seven hundred seventy-six".