13071361 has 4 divisors (see below), whose sum is σ = 13147092. Its totient is φ = 12995632.

The previous prime is 13071347. The next prime is 13071371. The reversal of 13071361 is 16317031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 16317031 = 2753 ⋅5927.

It can be written as a sum of positive squares in 2 ways, for example, as 11771761 + 1299600 = 3431^2 + 1140^2 .

It is a cyclic number.

It is not a de Polignac number, because 13071361 - 2⁵ = 13071329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13071301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37606 + ... + 37951.

It is an arithmetic number, because the mean of its divisors is an integer number (3286773).

Almost surely, 2^13071361 is an apocalyptic number.

It is an amenable number.

13071361 is a deficient number, since it is larger than the sum of its proper divisors (75731).

13071361 is an equidigital number, since it uses as much as digits as its factorization.

13071361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75730.

The product of its (nonzero) digits is 378, while the sum is 22.

The square root of 13071361 is about 3615.4337222524. The cubic root of 13071361 is about 235.5629239105.

Adding to 13071361 its reverse (16317031), we get a palindrome (29388392).

The spelling of 13071361 in words is "thirteen million, seventy-one thousand, three hundred sixty-one".