12256147 has 2 divisors, whose sum is σ = 12256148. Its totient is φ = 12256146.

The previous prime is 12256117. The next prime is 12256151. The reversal of 12256147 is 74165221.

12256147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12256147 - 2⁷ = 12256019 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12256117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6128073 + 6128074.

It is an arithmetic number, because the mean of its divisors is an integer number (6128074).

Almost surely, 2^12256147 is an apocalyptic number.

12256147 is a deficient number, since it is larger than the sum of its proper divisors (1).

12256147 is an equidigital number, since it uses as much as digits as its factorization.

12256147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 28.

The square root of 12256147 is about 3500.8780327226. The cubic root of 12256147 is about 230.5603664571.

It can be divided in two parts, 12256 and 147, that added together give a triangular number (12403 = T₁₅₇).

The spelling of 12256147 in words is "twelve million, two hundred fifty-six thousand, one hundred forty-seven".