13318442 has 8 divisors (see below), whose sum is σ = 20030976. Its totient is φ = 6641452.

The previous prime is 13318441. The next prime is 13318451. The reversal of 13318442 is 24481331.

13318442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (13318441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7928 + ... + 9459.

It is an arithmetic number, because the mean of its divisors is an integer number (2503872).

Almost surely, 2^13318442 is an apocalyptic number.

13318442 is a deficient number, since it is larger than the sum of its proper divisors (6712534).

13318442 is a wasteful number, since it uses less digits than its factorization.

13318442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17772.

The product of its digits is 2304, while the sum is 26.

The square root of 13318442 is about 3649.4440672519. Note that the first 3 decimals coincide. The cubic root of 13318442 is about 237.0379092747.

Adding to 13318442 its reverse (24481331), we get a palindrome (37799773).

The spelling of 13318442 in words is "thirteen million, three hundred eighteen thousand, four hundred forty-two".