13325218 has 8 divisors (see below), whose sum is σ = 20115612. Its totient is φ = 6620016.

The previous prime is 13325203. The next prime is 13325231. The reversal of 13325218 is 81252331.

13325218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12299049 + 1026169 = 3507^2 + 1013^2 .

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

It is a super-2 number, since 2×13325218² = 355122869495048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13325192 and 13325201.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20905 + ... + 21532.

Almost surely, 2^13325218 is an apocalyptic number.

13325218 is a deficient number, since it is larger than the sum of its proper divisors (6790394).

13325218 is a wasteful number, since it uses less digits than its factorization.

13325218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42596.

The product of its digits is 1440, while the sum is 25.

The square root of 13325218 is about 3650.3723097788. The cubic root of 13325218 is about 237.0781015775.

Adding to 13325218 its reverse (81252331), we get a palindrome (94577549).

The spelling of 13325218 in words is "thirteen million, three hundred twenty-five thousand, two hundred eighteen".