12256028 has 12 divisors (see below), whose sum is σ = 22027992. Its totient is φ = 5962320.

The previous prime is 12256021. The next prime is 12256039. The reversal of 12256028 is 82065221.

It is a junction number, because it is equal to n+sod(n) for n = 12255988 and 12256006.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 41258 + ... + 41553.

It is an arithmetic number, because the mean of its divisors is an integer number (1835666).

Almost surely, 2^12256028 is an apocalyptic number.

It is an amenable number.

12256028 is a deficient number, since it is larger than the sum of its proper divisors (9771964).

12256028 is a wasteful number, since it uses less digits than its factorization.

12256028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82852 (or 82850 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 12256028 is about 3500.8610369451. The cubic root of 12256028 is about 230.5596202527.

The spelling of 12256028 in words is "twelve million, two hundred fifty-six thousand, twenty-eight".