13260443716 has 81 divisors (see below), whose sum is σ = 25978307229. Its totient is φ = 5919836832.

The previous prime is 13260443701. The next prime is 13260443743. The reversal of 13260443716 is 61734406231.

The square root of 13260443716 is 115154.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1961604100 + 11298839616 = 44290^2 + 106296^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 128742121 + ... + 128742223.

Almost surely, 2^13260443716 is an apocalyptic number.

13260443716 is the 115154-th square number.

It is an amenable number.

13260443716 is a deficient number, since it is larger than the sum of its proper divisors (12717863513).

13260443716 is a wasteful number, since it uses less digits than its factorization.

13260443716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

Adding to 13260443716 its reverse (61734406231), we get a palindrome (74994849947).

It can be divided in two parts, 13260 and 443716, that added together give a 4-th power (456976 = 26⁴).

The spelling of 13260443716 in words is "thirteen billion, two hundred sixty million, four hundred forty-three thousand, seven hundred sixteen".