13255647 has 8 divisors (see below), whose sum is σ = 17898240. Its totient is φ = 8725080.

The previous prime is 13255633. The next prime is 13255651. The reversal of 13255647 is 74655231.

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

It is not a de Polignac number, because 13255647 - 2⁷ = 13255519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13255687) 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, 27729 + ... + 28202.

It is an arithmetic number, because the mean of its divisors is an integer number (2237280).

Almost surely, 2^13255647 is an apocalyptic number.

13255647 is a deficient number, since it is larger than the sum of its proper divisors (4642593).

13255647 is an equidigital number, since it uses as much as digits as its factorization.

13255647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56013.

The product of its digits is 25200, while the sum is 33.

The square root of 13255647 is about 3640.8305371165. The cubic root of 13255647 is about 236.6647862929.

The spelling of 13255647 in words is "thirteen million, two hundred fifty-five thousand, six hundred forty-seven".