12256878 has 8 divisors (see below), whose sum is σ = 24513768. Its totient is φ = 4085624.

The previous prime is 12256831. The next prime is 12256883. The reversal of 12256878 is 87865221.

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

12256878 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1021401 + ... + 1021412.

It is an arithmetic number, because the mean of its divisors is an integer number (3064221).

Almost surely, 2^12256878 is an apocalyptic number.

12256878 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.

12256878 is a wasteful number, since it uses less digits than its factorization.

12256878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2042818.

The product of its digits is 53760, while the sum is 39.

The square root of 12256878 is about 3500.9824335463. The cubic root of 12256878 is about 230.5649501782.

The spelling of 12256878 in words is "twelve million, two hundred fifty-six thousand, eight hundred seventy-eight".