13018368 has 144 divisors (see below), whose sum is σ = 40029696. Its totient is φ = 3717120.

The previous prime is 13018367. The next prime is 13018373. The reversal of 13018368 is 86381031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13018367) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194271 + ... + 194337.

It is an arithmetic number, because the mean of its divisors is an integer number (277984).

Almost surely, 2^13018368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13018368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20014848).

13018368 is an abundant number, since it is smaller than the sum of its proper divisors (27011328).

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

13018368 is a wasteful number, since it uses less digits than its factorization.

13018368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 13018368 is about 3608.0975596566. The cubic root of 13018368 is about 235.2441584911.

Adding to 13018368 its reverse (86381031), we get a palindrome (99399399).

It can be divided in two parts, 1301 and 8368, that added together give a palindrome (9669).

The spelling of 13018368 in words is "thirteen million, eighteen thousand, three hundred sixty-eight".