13729205 has 8 divisors (see below), whose sum is σ = 18828672. Its totient is φ = 9414288.

The previous prime is 13729147. The next prime is 13729207. The reversal of 13729205 is 50292731.

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 13729205 - 2⁶ = 13729141 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13729207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196097 + ... + 196166.

It is an arithmetic number, because the mean of its divisors is an integer number (2353584).

Almost surely, 2^13729205 is an apocalyptic number.

It is an amenable number.

13729205 is a deficient number, since it is larger than the sum of its proper divisors (5099467).

13729205 is an equidigital number, since it uses as much as digits as its factorization.

13729205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392275.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 13729205 is about 3705.2941853515. The cubic root of 13729205 is about 239.4501590985.

The spelling of 13729205 in words is "thirteen million, seven hundred twenty-nine thousand, two hundred five".