13255547 has 2 divisors, whose sum is σ = 13255548. Its totient is φ = 13255546.

The previous prime is 13255537. The next prime is 13255549. The reversal of 13255547 is 74555231.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13255547 - 2⁴ = 13255531 is a prime.

Together with 13255549, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13255549) 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, 6627773 + 6627774.

It is an arithmetic number, because the mean of its divisors is an integer number (6627774).

Almost surely, 2^13255547 is an apocalyptic number.

13255547 is a deficient number, since it is larger than the sum of its proper divisors (1).

13255547 is an equidigital number, since it uses as much as digits as its factorization.

13255547 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 21000, while the sum is 32.

The square root of 13255547 is about 3640.8168039603. The cubic root of 13255547 is about 236.6641911619.

The spelling of 13255547 in words is "thirteen million, two hundred fifty-five thousand, five hundred forty-seven".