13260789 has 6 divisors (see below), whose sum is σ = 19154486. Its totient is φ = 8840520.

The previous prime is 13260787. The next prime is 13260809. The reversal of 13260789 is 98706231.

13260789 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 7700625 + 5560164 = 2775^2 + 2358^2 .

It is not a de Polignac number, because 13260789 - 2¹ = 13260787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13260787) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 736702 + ... + 736719.

Almost surely, 2^13260789 is an apocalyptic number.

It is an amenable number.

13260789 is a deficient number, since it is larger than the sum of its proper divisors (5893697).

13260789 is a wasteful number, since it uses less digits than its factorization.

13260789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1473427 (or 1473424 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 13260789 is about 3641.5366262060. The cubic root of 13260789 is about 236.6953838943.

The spelling of 13260789 in words is "thirteen million, two hundred sixty thousand, seven hundred eighty-nine".