13280218 has 16 divisors (see below), whose sum is σ = 22860864. Its totient is φ = 5667840.

The previous prime is 13280209. The next prime is 13280219. The reversal of 13280218 is 81208231.

It is a junction number, because it is equal to n+sod(n) for n = 13280192 and 13280201.

It is not an unprimeable number, because it can be changed into a prime (13280219) 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 7 ways as a sum of consecutive naturals, for example, 1753 + ... + 5443.

It is an arithmetic number, because the mean of its divisors is an integer number (1428804).

Almost surely, 2^13280218 is an apocalyptic number.

13280218 is a deficient number, since it is larger than the sum of its proper divisors (9580646).

13280218 is a wasteful number, since it uses less digits than its factorization.

13280218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3957.

The product of its (nonzero) digits is 768, while the sum is 25.

The square root of 13280218 is about 3644.2033422958. The cubic root of 13280218 is about 236.8109252972.

Adding to 13280218 its reverse (81208231), we get a palindrome (94488449).

The spelling of 13280218 in words is "thirteen million, two hundred eighty thousand, two hundred eighteen".