13118830 has 16 divisors (see below), whose sum is σ = 23938704. Its totient is φ = 5175360.

The previous prime is 13118779. The next prime is 13118837. The reversal of 13118830 is 3881131.

13118830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 13118795 and 13118804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13118837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8256 + ... + 9715.

It is an arithmetic number, because the mean of its divisors is an integer number (1496169).

Almost surely, 2^13118830 is an apocalyptic number.

13118830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13118830 is a deficient number, since it is larger than the sum of its proper divisors (10819874).

13118830 is a wasteful number, since it uses less digits than its factorization.

13118830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18051.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 13118830 is about 3621.9925455473. The cubic root of 13118830 is about 235.8477304644.

Adding to 13118830 its reverse (3881131), we get a palindrome (16999961).

The spelling of 13118830 in words is "thirteen million, one hundred eighteen thousand, eight hundred thirty".