13676009 has 2 divisors, whose sum is σ = 13676010. Its totient is φ = 13676008.

The previous prime is 13675997. The next prime is 13676011. The reversal of 13676009 is 90067631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13249600 + 426409 = 3640^2 + 653^2 .

It is a cyclic number.

It is not a de Polignac number, because 13676009 - 2¹⁶ = 13610473 is a prime.

It is a Sophie Germain prime.

Together with 13676011, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13676059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6838004 + 6838005.

It is an arithmetic number, because the mean of its divisors is an integer number (6838005).

Almost surely, 2^13676009 is an apocalyptic number.

It is an amenable number.

13676009 is a deficient number, since it is larger than the sum of its proper divisors (1).

13676009 is an equidigital number, since it uses as much as digits as its factorization.

13676009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 32.

The square root of 13676009 is about 3698.1088410159. The cubic root of 13676009 is about 239.1404961645.

The spelling of 13676009 in words is "thirteen million, six hundred seventy-six thousand, nine".