12047256 has 96 divisors (see below), whose sum is σ = 35883120. Its totient is φ = 3628800.

The previous prime is 12047249. The next prime is 12047257. The reversal of 12047256 is 65274021.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12047257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56991 + ... + 57201.

Almost surely, 2^12047256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12047256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17941560).

12047256 is an abundant number, since it is smaller than the sum of its proper divisors (23835864).

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

12047256 is a wasteful number, since it uses less digits than its factorization.

12047256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 12047256 is about 3470.9157293141. The cubic root of 12047256 is about 229.2429805273.

The spelling of 12047256 in words is "twelve million, forty-seven thousand, two hundred fifty-six".