13273109 has 2 divisors, whose sum is σ = 13273110. Its totient is φ = 13273108.

The previous prime is 13273103. The next prime is 13273133. The reversal of 13273109 is 90137231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9579025 + 3694084 = 3095^2 + 1922^2 .

It is an emirp because it is prime and its reverse (90137231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13273109 - 2¹⁶ = 13207573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13273103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6636554 + 6636555.

It is an arithmetic number, because the mean of its divisors is an integer number (6636555).

Almost surely, 2^13273109 is an apocalyptic number.

It is an amenable number.

13273109 is a deficient number, since it is larger than the sum of its proper divisors (1).

13273109 is an equidigital number, since it uses as much as digits as its factorization.

13273109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 13273109 is about 3643.2278270786. The cubic root of 13273109 is about 236.7686622020.

The spelling of 13273109 in words is "thirteen million, two hundred seventy-three thousand, one hundred nine".