13118519 has 2 divisors, whose sum is σ = 13118520. Its totient is φ = 13118518.

The previous prime is 13118513. The next prime is 13118537. The reversal of 13118519 is 91581131.

It is a weak prime.

It is an emirp because it is prime and its reverse (91581131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13118519 - 2⁸ = 13118263 is a prime.

It is a super-2 number, since 2×13118519² = 344191081506722, which contains 22 as substring.

It is equal to p₈₅₆₄₀₆ and since 13118519 and 856406 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 13118491 and 13118500.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13118513) 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, 6559259 + 6559260.

It is an arithmetic number, because the mean of its divisors is an integer number (6559260).

Almost surely, 2^13118519 is an apocalyptic number.

13118519 is a deficient number, since it is larger than the sum of its proper divisors (1).

13118519 is an equidigital number, since it uses as much as digits as its factorization.

13118519 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1080, while the sum is 29.

The square root of 13118519 is about 3621.9496131227. The cubic root of 13118519 is about 235.8458667508.

The spelling of 13118519 in words is "thirteen million, one hundred eighteen thousand, five hundred nineteen".