13066789 has 4 divisors (see below), whose sum is σ = 13288320. Its totient is φ = 12845260.

The previous prime is 13066787. The next prime is 13066793. The reversal of 13066789 is 98766031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13066789 - 2¹ = 13066787 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 (13066787) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110677 + ... + 110794.

It is an arithmetic number, because the mean of its divisors is an integer number (3322080).

Almost surely, 2^13066789 is an apocalyptic number.

It is an amenable number.

13066789 is a deficient number, since it is larger than the sum of its proper divisors (221531).

13066789 is an equidigital number, since it uses as much as digits as its factorization.

13066789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221530.

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 13066789 is about 3614.8013776693. The cubic root of 13066789 is about 235.5354562459.

The spelling of 13066789 in words is "thirteen million, sixty-six thousand, seven hundred eighty-nine".