13198489 has 2 divisors, whose sum is σ = 13198490. Its totient is φ = 13198488.

The previous prime is 13198459. The next prime is 13198501. The reversal of 13198489 is 98489131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8323225 + 4875264 = 2885^2 + 2208^2 .

It is a cyclic number.

It is not a de Polignac number, because 13198489 - 2¹¹ = 13196441 is a prime.

It is a super-2 number, since 2×13198489² = 348400223766242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (13198429) 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, 6599244 + 6599245.

It is an arithmetic number, because the mean of its divisors is an integer number (6599245).

Almost surely, 2^13198489 is an apocalyptic number.

It is an amenable number.

13198489 is a deficient number, since it is larger than the sum of its proper divisors (1).

13198489 is an equidigital number, since it uses as much as digits as its factorization.

13198489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 43.

The square root of 13198489 is about 3632.9724744347. The cubic root of 13198489 is about 236.3241320880.

The spelling of 13198489 in words is "thirteen million, one hundred ninety-eight thousand, four hundred eighty-nine".