13807109 has 2 divisors, whose sum is σ = 13807110. Its totient is φ = 13807108.

The previous prime is 13807099. The next prime is 13807141. The reversal of 13807109 is 90170831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9746884 + 4060225 = 3122^2 + 2015^2 .

It is a cyclic number.

It is not a de Polignac number, because 13807109 - 2⁸ = 13806853 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13807709) 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, 6903554 + 6903555.

It is an arithmetic number, because the mean of its divisors is an integer number (6903555).

Almost surely, 2^13807109 is an apocalyptic number.

It is an amenable number.

13807109 is a deficient number, since it is larger than the sum of its proper divisors (1).

13807109 is an equidigital number, since it uses as much as digits as its factorization.

13807109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 29.

The square root of 13807109 is about 3715.7918402408. The cubic root of 13807109 is about 239.9022113185.

The spelling of 13807109 in words is "thirteen million, eight hundred seven thousand, one hundred nine".