13329109 has 2 divisors, whose sum is σ = 13329110. Its totient is φ = 13329108.

The previous prime is 13329091. The next prime is 13329137. The reversal of 13329109 is 90192331.

Together with previous prime (13329091) it forms an Ormiston pair, because they use the same digits, order apart.

It is an a-pointer prime, because the next prime (13329137) can be obtained adding 13329109 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11410884 + 1918225 = 3378^2 + 1385^2 .

It is an emirp because it is prime and its reverse (90192331) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13329109 - 2⁷ = 13328981 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 (13329179) 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, 6664554 + 6664555.

It is an arithmetic number, because the mean of its divisors is an integer number (6664555).

Almost surely, 2^13329109 is an apocalyptic number.

It is an amenable number.

13329109 is a deficient number, since it is larger than the sum of its proper divisors (1).

13329109 is an equidigital number, since it uses as much as digits as its factorization.

13329109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1458, while the sum is 28.

The square root of 13329109 is about 3650.9052302135. The cubic root of 13329109 is about 237.1011751493.

The spelling of 13329109 in words is "thirteen million, three hundred twenty-nine thousand, one hundred nine".