13230518 has 8 divisors (see below), whose sum is σ = 22680912. Its totient is φ = 5670216.

The previous prime is 13230493. The next prime is 13230523. The reversal of 13230518 is 81503231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13230493 and 13230502.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 472505 + ... + 472532.

It is an arithmetic number, because the mean of its divisors is an integer number (2835114).

Almost surely, 2^13230518 is an apocalyptic number.

13230518 is a deficient number, since it is larger than the sum of its proper divisors (9450394).

13230518 is an equidigital number, since it uses as much as digits as its factorization.

13230518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 945046.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 13230518 is about 3637.3779017309. The cubic root of 13230518 is about 236.5151416063.

Adding to 13230518 its reverse (81503231), we get a palindrome (94733749).

The spelling of 13230518 in words is "thirteen million, two hundred thirty thousand, five hundred eighteen".