13689066 has 16 divisors (see below), whose sum is σ = 27548064. Its totient is φ = 4534704.

The previous prime is 13689061. The next prime is 13689113. The reversal of 13689066 is 66098631.

It is a happy number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13689061) 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, 6021 + ... + 7976.

It is an arithmetic number, because the mean of its divisors is an integer number (1721754).

Almost surely, 2^13689066 is an apocalyptic number.

13689066 is an abundant number, since it is smaller than the sum of its proper divisors (13858998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13689066 is a wasteful number, since it uses less digits than its factorization.

13689066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14165.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 13689066 is about 3699.8737816309. The cubic root of 13689066 is about 239.2165774315.

The spelling of 13689066 in words is "thirteen million, six hundred eighty-nine thousand, sixty-six".