13555259 has 2 divisors, whose sum is σ = 13555260. Its totient is φ = 13555258.

The previous prime is 13555247. The next prime is 13555261. The reversal of 13555259 is 95255531.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13555259 is a prime.

Together with 13555261, 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 (13555279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6777629 + 6777630.

It is an arithmetic number, because the mean of its divisors is an integer number (6777630).

Almost surely, 2^13555259 is an apocalyptic number.

13555259 is a deficient number, since it is larger than the sum of its proper divisors (1).

13555259 is an equidigital number, since it uses as much as digits as its factorization.

13555259 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33750, while the sum is 35.

The square root of 13555259 is about 3681.7467321911. The cubic root of 13555259 is about 238.4345977275.

The spelling of 13555259 in words is "thirteen million, five hundred fifty-five thousand, two hundred fifty-nine".