13159729 has 8 divisors (see below), whose sum is σ = 14706720. Its totient is φ = 11671200.

The previous prime is 13159697. The next prime is 13159747. The reversal of 13159729 is 92795131.

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

It is a cyclic number.

It is not a de Polignac number, because 13159729 - 2⁵ = 13159697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13159759) 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 7 ways as a sum of consecutive naturals, for example, 14139 + ... + 15040.

It is an arithmetic number, because the mean of its divisors is an integer number (1838340).

Almost surely, 2^13159729 is an apocalyptic number.

It is an amenable number.

13159729 is a deficient number, since it is larger than the sum of its proper divisors (1546991).

13159729 is a wasteful number, since it uses less digits than its factorization.

13159729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29231.

The product of its digits is 17010, while the sum is 37.

The square root of 13159729 is about 3627.6340774670. The cubic root of 13159729 is about 236.0925675843.

The spelling of 13159729 in words is "thirteen million, one hundred fifty-nine thousand, seven hundred twenty-nine".