13518811 has 2 divisors, whose sum is σ = 13518812. Its totient is φ = 13518810.

The previous prime is 13518809. The next prime is 13518829. The reversal of 13518811 is 11881531.

It is a weak prime.

It is an emirp because it is prime and its reverse (11881531) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13518811 - 2¹ = 13518809 is a prime.

Together with 13518809, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13518811.

It is not a weakly prime, because it can be changed into another prime (13518851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6759405 + 6759406.

It is an arithmetic number, because the mean of its divisors is an integer number (6759406).

Almost surely, 2^13518811 is an apocalyptic number.

13518811 is a deficient number, since it is larger than the sum of its proper divisors (1).

13518811 is an equidigital number, since it uses as much as digits as its factorization.

13518811 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 28.

The square root of 13518811 is about 3676.7935759300. The cubic root of 13518811 is about 238.2207012863.

The spelling of 13518811 in words is "thirteen million, five hundred eighteen thousand, eight hundred eleven".