13009071 has 4 divisors (see below), whose sum is σ = 17345432. Its totient is φ = 8672712.

The previous prime is 13009069. The next prime is 13009123. The reversal of 13009071 is 17090031.

13009071 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 13009071 - 2¹ = 13009069 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 (13009001) 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, 2168176 + ... + 2168181.

It is an arithmetic number, because the mean of its divisors is an integer number (4336358).

Almost surely, 2^13009071 is an apocalyptic number.

13009071 is a deficient number, since it is larger than the sum of its proper divisors (4336361).

13009071 is an equidigital number, since it uses as much as digits as its factorization.

13009071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4336360.

The product of its (nonzero) digits is 189, while the sum is 21.

The square root of 13009071 is about 3606.8089774758. The cubic root of 13009071 is about 235.1881456900.

The spelling of 13009071 in words is "thirteen million, nine thousand, seventy-one".