12256782 has 8 divisors (see below), whose sum is σ = 24513576. Its totient is φ = 4085592.

The previous prime is 12256759. The next prime is 12256787. The reversal of 12256782 is 28765221.

It is a sphenic number, since it is the product of 3 distinct primes.

12256782 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12256787) 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 3 ways as a sum of consecutive naturals, for example, 1021393 + ... + 1021404.

It is an arithmetic number, because the mean of its divisors is an integer number (3064197).

Almost surely, 2^12256782 is an apocalyptic number.

12256782 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12256782 is a wasteful number, since it uses less digits than its factorization.

12256782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042802.

The product of its digits is 13440, while the sum is 33.

The square root of 12256782 is about 3500.9687230822. The cubic root of 12256782 is about 230.5643482225.

The spelling of 12256782 in words is "twelve million, two hundred fifty-six thousand, seven hundred eighty-two".