13132789 has 4 divisors (see below), whose sum is σ = 13905324. Its totient is φ = 12360256.

The previous prime is 13132783. The next prime is 13132831. The reversal of 13132789 is 98723131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6932689 + 6200100 = 2633^2 + 2490^2 .

It is a cyclic number.

It is not a de Polignac number, because 13132789 - 2⁷ = 13132661 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 (13132783) 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 in 3 ways as a sum of consecutive naturals, for example, 386242 + ... + 386275.

It is an arithmetic number, because the mean of its divisors is an integer number (3476331).

Almost surely, 2^13132789 is an apocalyptic number.

It is an amenable number.

13132789 is a deficient number, since it is larger than the sum of its proper divisors (772535).

13132789 is an equidigital number, since it uses as much as digits as its factorization.

13132789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 772534.

The product of its digits is 9072, while the sum is 34.

The square root of 13132789 is about 3623.9190112363. The cubic root of 13132789 is about 235.9313515261.

The spelling of 13132789 in words is "thirteen million, one hundred thirty-two thousand, seven hundred eighty-nine".