13729113 has 12 divisors (see below), whose sum is σ = 20070960. Its totient is φ = 9041976.

The previous prime is 13729099. The next prime is 13729117. The reversal of 13729113 is 31192731.

It is not a de Polignac number, because 13729113 - 2⁶ = 13729049 is a prime.

It is a Curzon 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 11 ways as a sum of consecutive naturals, for example, 8443 + ... + 9936.

It is an arithmetic number, because the mean of its divisors is an integer number (1672580).

Almost surely, 2^13729113 is an apocalyptic number.

It is an amenable number.

13729113 is a deficient number, since it is larger than the sum of its proper divisors (6341847).

13729113 is a wasteful number, since it uses less digits than its factorization.

13729113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18468 (or 18465 counting only the distinct ones).

The product of its digits is 1134, while the sum is 27.

The square root of 13729113 is about 3705.2817706620. The cubic root of 13729113 is about 239.4496242420.

The spelling of 13729113 in words is "thirteen million, seven hundred twenty-nine thousand, one hundred thirteen".