13082989 has 2 divisors, whose sum is σ = 13082990. Its totient is φ = 13082988.

The previous prime is 13082983. The next prime is 13083011. The reversal of 13082989 is 98928031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10304100 + 2778889 = 3210^2 + 1667^2 .

It is a cyclic number.

It is not a de Polignac number, because 13082989 - 2³ = 13082981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13082981) 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, 6541494 + 6541495.

It is an arithmetic number, because the mean of its divisors is an integer number (6541495).

Almost surely, 2^13082989 is an apocalyptic number.

It is an amenable number.

13082989 is a deficient number, since it is larger than the sum of its proper divisors (1).

13082989 is an equidigital number, since it uses as much as digits as its factorization.

13082989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 40.

The square root of 13082989 is about 3617.0414705944. The cubic root of 13082989 is about 235.6327537688.

The spelling of 13082989 in words is "thirteen million, eighty-two thousand, nine hundred eighty-nine".