13161071 has 16 divisors (see below), whose sum is σ = 16692480. Its totient is φ = 10078080.

The previous prime is 13161067. The next prime is 13161073. The reversal of 13161071 is 17016131.

It is a cyclic number.

It is not a de Polignac number, because 13161071 - 2² = 13161067 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13161073) 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 15 ways as a sum of consecutive naturals, for example, 3095 + ... + 5991.

It is an arithmetic number, because the mean of its divisors is an integer number (1043280).

Almost surely, 2^13161071 is an apocalyptic number.

13161071 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13161071 is a deficient number, since it is larger than the sum of its proper divisors (3531409).

13161071 is a wasteful number, since it uses less digits than its factorization.

13161071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2974.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 13161071 is about 3627.8190417936. The cubic root of 13161071 is about 236.1005927105.

The spelling of 13161071 in words is "thirteen million, one hundred sixty-one thousand, seventy-one".