13032218 has 8 divisors (see below), whose sum is σ = 19618740. Its totient is φ = 6492640.

The previous prime is 13032209. The next prime is 13032221. The reversal of 13032218 is 81223031.

It can be written as a sum of positive squares in 2 ways, for example, as 12866569 + 165649 = 3587^2 + 407^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 13032218.

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, 11033 + ... + 12156.

Almost surely, 2^13032218 is an apocalyptic number.

13032218 is a deficient number, since it is larger than the sum of its proper divisors (6586522).

13032218 is a wasteful number, since it uses less digits than its factorization.

13032218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23472.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 13032218 is about 3610.0163434533. The cubic root of 13032218 is about 235.3275528883.

Adding to 13032218 its reverse (81223031), we get a palindrome (94255249).

The spelling of 13032218 in words is "thirteen million, thirty-two thousand, two hundred eighteen".