12255447 has 8 divisors (see below), whose sum is σ = 16867840. Its totient is φ = 7906680.

The previous prime is 12255431. The next prime is 12255457. The reversal of 12255447 is 74455221.

12255447 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12255447 - 2⁴ = 12255431 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12255427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65797 + ... + 65982.

It is an arithmetic number, because the mean of its divisors is an integer number (2108480).

Almost surely, 2^12255447 is an apocalyptic number.

12255447 is a deficient number, since it is larger than the sum of its proper divisors (4612393).

12255447 is a wasteful number, since it uses less digits than its factorization.

12255447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131813.

The product of its digits is 11200, while the sum is 30.

The square root of 12255447 is about 3500.7780563755. The cubic root of 12255447 is about 230.5559769501. Note that the first 3 decimals are identical.

The spelling of 12255447 in words is "twelve million, two hundred fifty-five thousand, four hundred forty-seven".