13729659 has 8 divisors (see below), whose sum is σ = 19383120. Its totient is φ = 8614656.

The previous prime is 13729649. The next prime is 13729663. The reversal of 13729659 is 95692731.

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

It is not a de Polignac number, because 13729659 - 2⁹ = 13729147 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13729659.

It is not an unprimeable number, because it can be changed into a prime (13729649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 134554 + ... + 134655.

It is an arithmetic number, because the mean of its divisors is an integer number (2422890).

Almost surely, 2^13729659 is an apocalyptic number.

13729659 is a deficient number, since it is larger than the sum of its proper divisors (5653461).

13729659 is a wasteful number, since it uses less digits than its factorization.

13729659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269229.

The product of its digits is 102060, while the sum is 42.

The square root of 13729659 is about 3705.3554485366. The cubic root of 13729659 is about 239.4527984641.

The spelling of 13729659 in words is "thirteen million, seven hundred twenty-nine thousand, six hundred fifty-nine".