13870118 has 8 divisors (see below), whose sum is σ = 20825112. Its totient is φ = 6928416.

The previous prime is 13870111. The next prime is 13870121. The reversal of 13870118 is 81107831.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13870111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80 + ... + 5267.

It is an arithmetic number, because the mean of its divisors is an integer number (2603139).

Almost surely, 2^13870118 is an apocalyptic number.

13870118 is a deficient number, since it is larger than the sum of its proper divisors (6954994).

13870118 is a wasteful number, since it uses less digits than its factorization.

13870118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6646.

The product of its (nonzero) digits is 1344, while the sum is 29.

The square root of 13870118 is about 3724.2607320111. The cubic root of 13870118 is about 240.2665903377.

Adding to 13870118 its reverse (81107831), we get a palindrome (94977949).

The spelling of 13870118 in words is "thirteen million, eight hundred seventy thousand, one hundred eighteen".