13818158 has 8 divisors (see below), whose sum is σ = 20783928. Its totient is φ = 6890184.

The previous prime is 13818151. The next prime is 13818163. The reversal of 13818158 is 85181831.

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

It is a zygodrome in base 3.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13818151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8516 + ... + 10007.

It is an arithmetic number, because the mean of its divisors is an integer number (2597991).

Almost surely, 2^13818158 is an apocalyptic number.

13818158 is a deficient number, since it is larger than the sum of its proper divisors (6965770).

13818158 is a wasteful number, since it uses less digits than its factorization.

13818158 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18898.

The product of its digits is 7680, while the sum is 35.

The square root of 13818158 is about 3717.2783054272. The cubic root of 13818158 is about 239.9661873661.

Adding to 13818158 its reverse (85181831), we get a palindrome (98999989).

The spelling of 13818158 in words is "thirteen million, eight hundred eighteen thousand, one hundred fifty-eight".