13689061 has 2 divisors, whose sum is σ = 13689062. Its totient is φ = 13689060.

The previous prime is 13689059. The next prime is 13689113. The reversal of 13689061 is 16098631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10764961 + 2924100 = 3281^2 + 1710^2 .

It is an emirp because it is prime and its reverse (16098631) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13689061 - 2¹ = 13689059 is a prime.

Together with 13689059, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13689031) 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 as a sum of consecutive naturals, namely, 6844530 + 6844531.

It is an arithmetic number, because the mean of its divisors is an integer number (6844531).

Almost surely, 2^13689061 is an apocalyptic number.

It is an amenable number.

13689061 is a deficient number, since it is larger than the sum of its proper divisors (1).

13689061 is an equidigital number, since it uses as much as digits as its factorization.

13689061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 13689061 is about 3699.8731059321. The cubic root of 13689061 is about 239.2165483065.

The spelling of 13689061 in words is "thirteen million, six hundred eighty-nine thousand, sixty-one".