13065689 has 16 divisors (see below), whose sum is σ = 16638720. Its totient is φ = 9979200.

The previous prime is 13065659. The next prime is 13065709. The reversal of 13065689 is 98656031.

It is not a de Polignac number, because 13065689 - 2⁸ = 13065433 is a prime.

It is a super-3 number, since 3×13065689³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (13065629) 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, 164 + ... + 5114.

It is an arithmetic number, because the mean of its divisors is an integer number (1039920).

Almost surely, 2^13065689 is an apocalyptic number.

It is an amenable number.

13065689 is a deficient number, since it is larger than the sum of its proper divisors (3573031).

13065689 is a wasteful number, since it uses less digits than its factorization.

13065689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 13065689 is about 3614.6492222621. The cubic root of 13065689 is about 235.5288467090.

The spelling of 13065689 in words is "thirteen million, sixty-five thousand, six hundred eighty-nine".