13305071 has 4 divisors (see below), whose sum is σ = 14328552. Its totient is φ = 12281592.

The previous prime is 13305041. The next prime is 13305077. The reversal of 13305071 is 17050331.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 13305071 - 2⁶ = 13305007 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 (13305077) 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, 511721 + ... + 511746.

It is an arithmetic number, because the mean of its divisors is an integer number (3582138).

Almost surely, 2^13305071 is an apocalyptic number.

13305071 is a deficient number, since it is larger than the sum of its proper divisors (1023481).

13305071 is a wasteful number, since it uses less digits than its factorization.

13305071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023480.

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 13305071 is about 3647.6116843765. The cubic root of 13305071 is about 236.9585582735.

The spelling of 13305071 in words is "thirteen million, three hundred five thousand, seventy-one".