13130218 has 16 divisors (see below), whose sum is σ = 20139840. Its totient is φ = 6418656.

The previous prime is 13130177. The next prime is 13130231. The reversal of 13130218 is 81203131.

13130218 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×13130218³ (a number of 22 digits) contains 333 as substring.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 13130195 and 13130204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19971 + ... + 20617.

It is an arithmetic number, because the mean of its divisors is an integer number (1258740).

Almost surely, 2^13130218 is an apocalyptic number.

13130218 is a deficient number, since it is larger than the sum of its proper divisors (7009622).

13130218 is a wasteful number, since it uses less digits than its factorization.

13130218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 861.

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 13130218 is about 3623.5642674030. The cubic root of 13130218 is about 235.9159544643.

Adding to 13130218 its reverse (81203131), we get a palindrome (94333349).

The spelling of 13130218 in words is "thirteen million, one hundred thirty thousand, two hundred eighteen".