13729118 has 8 divisors (see below), whose sum is σ = 22177848. Its totient is φ = 6336504.

The previous prime is 13729117. The next prime is 13729129. The reversal of 13729118 is 81192731.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13729117) 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, 263996 + ... + 264047.

It is an arithmetic number, because the mean of its divisors is an integer number (2772231).

Almost surely, 2^13729118 is an apocalyptic number.

13729118 is a deficient number, since it is larger than the sum of its proper divisors (8448730).

13729118 is a wasteful number, since it uses less digits than its factorization.

13729118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528058.

The product of its digits is 3024, while the sum is 32.

The square root of 13729118 is about 3705.2824453744. The cubic root of 13729118 is about 239.4496533103.

The spelling of 13729118 in words is "thirteen million, seven hundred twenty-nine thousand, one hundred eighteen".