13499089 has 2 divisors, whose sum is σ = 13499090. Its totient is φ = 13499088.

The previous prime is 13499081. The next prime is 13499099. The reversal of 13499089 is 98099431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7700625 + 5798464 = 2775^2 + 2408^2 .

It is a cyclic number.

It is not a de Polignac number, because 13499089 - 2³ = 13499081 is a prime.

It is a super-3 number, since 3×13499089³ (a number of 22 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (13499081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6749544 + 6749545.

It is an arithmetic number, because the mean of its divisors is an integer number (6749545).

Almost surely, 2^13499089 is an apocalyptic number.

It is an amenable number.

13499089 is a deficient number, since it is larger than the sum of its proper divisors (1).

13499089 is an equidigital number, since it uses as much as digits as its factorization.

13499089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 13499089 is about 3674.1106406857. The cubic root of 13499089 is about 238.1048016660.

The spelling of 13499089 in words is "thirteen million, four hundred ninety-nine thousand, eighty-nine".