13307689 has 2 divisors, whose sum is σ = 13307690. Its totient is φ = 13307688.

The previous prime is 13307677. The next prime is 13307737. The reversal of 13307689 is 98670331.

13307689 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11155600 + 2152089 = 3340^2 + 1467^2 .

It is a cyclic number.

It is not a de Polignac number, because 13307689 - 2⁷ = 13307561 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13307669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6653844 + 6653845.

It is an arithmetic number, because the mean of its divisors is an integer number (6653845).

Almost surely, 2^13307689 is an apocalyptic number.

It is an amenable number.

13307689 is a deficient number, since it is larger than the sum of its proper divisors (1).

13307689 is an equidigital number, since it uses as much as digits as its factorization.

13307689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The square root of 13307689 is about 3647.9705316792. The cubic root of 13307689 is about 236.9740991356.

The spelling of 13307689 in words is "thirteen million, three hundred seven thousand, six hundred eighty-nine".