13500118 has 4 divisors (see below), whose sum is σ = 20250180. Its totient is φ = 6750058.

The previous prime is 13500077. The next prime is 13500119. The reversal of 13500118 is 81100531.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 13500095 and 13500104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13500119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3375028 + ... + 3375031.

It is an arithmetic number, because the mean of its divisors is an integer number (5062545).

Almost surely, 2^13500118 is an apocalyptic number.

13500118 is a deficient number, since it is larger than the sum of its proper divisors (6750062).

13500118 is an equidigital number, since it uses as much as digits as its factorization.

13500118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6750061.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 13500118 is about 3674.2506719058. The cubic root of 13500118 is about 238.1108515463.

Adding to 13500118 its reverse (81100531), we get a palindrome (94600649).

The spelling of 13500118 in words is "thirteen million, five hundred thousand, one hundred eighteen".