13518039 has 12 divisors (see below), whose sum is σ = 18460536. Its totient is φ = 8798832.

The previous prime is 13518019. The next prime is 13518041. The reversal of 13518039 is 93081531.

It is a happy number.

13518039 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13518039 - 2¹⁶ = 13452503 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13517997 and 13518015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13518019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4329 + ... + 6765.

It is an arithmetic number, because the mean of its divisors is an integer number (1538378).

Almost surely, 2^13518039 is an apocalyptic number.

13518039 is a deficient number, since it is larger than the sum of its proper divisors (4942497).

13518039 is an equidigital number, since it uses as much as digits as its factorization.

13518039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2526 (or 2483 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 30.

The square root of 13518039 is about 3676.6885916542. The cubic root of 13518039 is about 238.2161666202.

The spelling of 13518039 in words is "thirteen million, five hundred eighteen thousand, thirty-nine".