13375559 has 2 divisors, whose sum is σ = 13375560. Its totient is φ = 13375558.

The previous prime is 13375519. The next prime is 13375561. The reversal of 13375559 is 95557331.

It is a strong prime.

It is an emirp because it is prime and its reverse (95557331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13375559 - 2⁸ = 13375303 is a prime.

It is a Sophie Germain prime.

Together with 13375561, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13375519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6687779 + 6687780.

It is an arithmetic number, because the mean of its divisors is an integer number (6687780).

Almost surely, 2^13375559 is an apocalyptic number.

13375559 is a deficient number, since it is larger than the sum of its proper divisors (1).

13375559 is an equidigital number, since it uses as much as digits as its factorization.

13375559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 70875, while the sum is 38.

The square root of 13375559 is about 3657.2611336901. The cubic root of 13375559 is about 237.3762768331.

The spelling of 13375559 in words is "thirteen million, three hundred seventy-five thousand, five hundred fifty-nine".