13068989 has 2 divisors, whose sum is σ = 13068990. Its totient is φ = 13068988.

The previous prime is 13068983. The next prime is 13069009. The reversal of 13068989 is 98986031.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12602500 + 466489 = 3550^2 + 683^2 .

It is an emirp because it is prime and its reverse (98986031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13068989 - 2⁴ = 13068973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13068983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6534494 + 6534495.

It is an arithmetic number, because the mean of its divisors is an integer number (6534495).

Almost surely, 2^13068989 is an apocalyptic number.

It is an amenable number.

13068989 is a deficient number, since it is larger than the sum of its proper divisors (1).

13068989 is an equidigital number, since it uses as much as digits as its factorization.

13068989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 13068989 is about 3615.1056692716. The cubic root of 13068989 is about 235.5486742070.

The spelling of 13068989 in words is "thirteen million, sixty-eight thousand, nine hundred eighty-nine".