13079971 has 4 divisors (see below), whose sum is σ = 13093600. Its totient is φ = 13066344.

The previous prime is 13079947. The next prime is 13080007. The reversal of 13079971 is 17997031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17997031 = 13 ⋅1384387.

It is a cyclic number.

It is not a de Polignac number, because 13079971 - 2⁹ = 13079459 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 13079971.

It is not an unprimeable number, because it can be changed into a prime (13079371) 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, 5256 + ... + 7333.

It is an arithmetic number, because the mean of its divisors is an integer number (3273400).

Almost surely, 2^13079971 is an apocalyptic number.

13079971 is a deficient number, since it is larger than the sum of its proper divisors (13629).

13079971 is a wasteful number, since it uses less digits than its factorization.

13079971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13628.

The product of its (nonzero) digits is 11907, while the sum is 37.

The square root of 13079971 is about 3616.6242547436. The cubic root of 13079971 is about 235.6146336909.

The spelling of 13079971 in words is "thirteen million, seventy-nine thousand, nine hundred seventy-one".