13264789 has 2 divisors, whose sum is σ = 13264790. Its totient is φ = 13264788.

The previous prime is 13264781. The next prime is 13264799. The reversal of 13264789 is 98746231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13264164 + 625 = 3642^2 + 25^2 .

It is an emirp because it is prime and its reverse (98746231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13264789 - 2³ = 13264781 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13264781) 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, 6632394 + 6632395.

It is an arithmetic number, because the mean of its divisors is an integer number (6632395).

Almost surely, 2^13264789 is an apocalyptic number.

It is an amenable number.

13264789 is a deficient number, since it is larger than the sum of its proper divisors (1).

13264789 is an equidigital number, since it uses as much as digits as its factorization.

13264789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 13264789 is about 3642.0858034923. The cubic root of 13264789 is about 236.7191805265.

The spelling of 13264789 in words is "thirteen million, two hundred sixty-four thousand, seven hundred eighty-nine".