12256412 has 12 divisors (see below), whose sum is σ = 24512880. Its totient is φ = 5252736.

The previous prime is 12256403. The next prime is 12256421. The reversal of 12256412 is 21465221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12256403) and next prime (12256421).

12256412 is an admirable number.

It is a super-2 number, since 2×12256412² = 300439270227488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 218837 + ... + 218892.

It is an arithmetic number, because the mean of its divisors is an integer number (2042740).

Almost surely, 2^12256412 is an apocalyptic number.

It is an amenable number.

12256412 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.

12256412 is a wasteful number, since it uses less digits than its factorization.

12256412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437740 (or 437738 counting only the distinct ones).

The product of its digits is 960, while the sum is 23.

The square root of 12256412 is about 3500.9158801662. The cubic root of 12256412 is about 230.5620281555.

The spelling of 12256412 in words is "twelve million, two hundred fifty-six thousand, four hundred twelve".