13255091 has 2 divisors, whose sum is σ = 13255092. Its totient is φ = 13255090.

The previous prime is 13255069. The next prime is 13255093. The reversal of 13255091 is 19055231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13255091 is a prime.

Together with 13255093, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13255091.

It is not a weakly prime, because it can be changed into another prime (13255093) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6627545 + 6627546.

It is an arithmetic number, because the mean of its divisors is an integer number (6627546).

Almost surely, 2^13255091 is an apocalyptic number.

13255091 is a deficient number, since it is larger than the sum of its proper divisors (1).

13255091 is an equidigital number, since it uses as much as digits as its factorization.

13255091 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 26.

The square root of 13255091 is about 3640.7541801116. The cubic root of 13255091 is about 236.6614773268.

The spelling of 13255091 in words is "thirteen million, two hundred fifty-five thousand, ninety-one".