13164989 has 2 divisors, whose sum is σ = 13164990. Its totient is φ = 13164988.

The previous prime is 13164973. The next prime is 13164997. The reversal of 13164989 is 98946131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12020089 + 1144900 = 3467^2 + 1070^2 .

It is a cyclic number.

It is not a de Polignac number, because 13164989 - 2⁴ = 13164973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13164589) 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, 6582494 + 6582495.

It is an arithmetic number, because the mean of its divisors is an integer number (6582495).

Almost surely, 2^13164989 is an apocalyptic number.

It is an amenable number.

13164989 is a deficient number, since it is larger than the sum of its proper divisors (1).

13164989 is an equidigital number, since it uses as much as digits as its factorization.

13164989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 41.

The square root of 13164989 is about 3628.3589954689. The cubic root of 13164989 is about 236.1240191308.

The spelling of 13164989 in words is "thirteen million, one hundred sixty-four thousand, nine hundred eighty-nine".