12256988 has 6 divisors (see below), whose sum is σ = 21449736. Its totient is φ = 6128492.

The previous prime is 12256987. The next prime is 12257009. The reversal of 12256988 is 88965221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12256987) by changing a digit.

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 as a sum of consecutive naturals, namely, 1532120 + ... + 1532127.

It is an arithmetic number, because the mean of its divisors is an integer number (3574956).

Almost surely, 2^12256988 is an apocalyptic number.

It is an amenable number.

12256988 is a deficient number, since it is larger than the sum of its proper divisors (9192748).

12256988 is a wasteful number, since it uses less digits than its factorization.

12256988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3064251 (or 3064249 counting only the distinct ones).

The product of its digits is 69120, while the sum is 41.

The square root of 12256988 is about 3500.9981433871. The cubic root of 12256988 is about 230.5656399152.

The spelling of 12256988 in words is "twelve million, two hundred fifty-six thousand, nine hundred eighty-eight".