13107618 has 24 divisors (see below), whose sum is σ = 29094156. Its totient is φ = 4262400.

The previous prime is 13107581. The next prime is 13107641. The reversal of 13107618 is 81670131.

It can be written as a sum of positive squares in 2 ways, for example, as 11512449 + 1595169 = 3393^2 + 1263^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13107591 and 13107600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8143 + ... + 9618.

Almost surely, 2^13107618 is an apocalyptic number.

13107618 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13107618 is an abundant number, since it is smaller than the sum of its proper divisors (15986538).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13107618 is a wasteful number, since it uses less digits than its factorization.

13107618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17810 (or 17807 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 13107618 is about 3620.4444478544. Note that the first 5 decimals coincide. The cubic root of 13107618 is about 235.7805222750.

Adding to 13107618 its reverse (81670131), we get a palindrome (94777749).

The spelling of 13107618 in words is "thirteen million, one hundred seven thousand, six hundred eighteen".