13098889 has 2 divisors, whose sum is σ = 13098890. Its totient is φ = 13098888.

The previous prime is 13098881. The next prime is 13098893. The reversal of 13098889 is 98889031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13017664 + 81225 = 3608^2 + 285^2 .

It is an emirp because it is prime and its reverse (98889031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13098889 - 2³ = 13098881 is a prime.

It is not a weakly prime, because it can be changed into another prime (13098881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6549444 + 6549445.

It is an arithmetic number, because the mean of its divisors is an integer number (6549445).

Almost surely, 2^13098889 is an apocalyptic number.

It is an amenable number.

13098889 is a deficient number, since it is larger than the sum of its proper divisors (1).

13098889 is an equidigital number, since it uses as much as digits as its factorization.

13098889 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 13098889 is about 3619.2387321093. The cubic root of 13098889 is about 235.7281714151.

The spelling of 13098889 in words is "thirteen million, ninety-eight thousand, eight hundred eighty-nine".