13729089 has 16 divisors (see below), whose sum is σ = 20180160. Its totient is φ = 8232960.

The previous prime is 13729061. The next prime is 13729099. The reversal of 13729089 is 98092731.

13729089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13729089 - 2⁹ = 13728577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13729019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1057 + ... + 5345.

It is an arithmetic number, because the mean of its divisors is an integer number (1261260).

Almost surely, 2^13729089 is an apocalyptic number.

It is an amenable number.

13729089 is a deficient number, since it is larger than the sum of its proper divisors (6451071).

13729089 is a wasteful number, since it uses less digits than its factorization.

13729089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4400.

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 13729089 is about 3705.2785320405. The cubic root of 13729089 is about 239.4494847138.

The spelling of 13729089 in words is "thirteen million, seven hundred twenty-nine thousand, eighty-nine".