12256026 has 16 divisors (see below), whose sum is σ = 25802400. Its totient is φ = 3870288.

The previous prime is 12256021. The next prime is 12256039. The reversal of 12256026 is 62065221.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12255987 and 12256005.

It is not an unprimeable number, because it can be changed into a prime (12256021) 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 7 ways as a sum of consecutive naturals, for example, 53641 + ... + 53868.

It is an arithmetic number, because the mean of its divisors is an integer number (1612650).

Almost surely, 2^12256026 is an apocalyptic number.

12256026 is an abundant number, since it is smaller than the sum of its proper divisors (13546374).

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

12256026 is a wasteful number, since it uses less digits than its factorization.

12256026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107533.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 12256026 is about 3500.8607513010. The cubic root of 12256026 is about 230.5596077115.

The spelling of 12256026 in words is "twelve million, two hundred fifty-six thousand, twenty-six".