13207344224481 has 45 divisors (see below), whose sum is σ = 21686723883363. Its totient is φ = 8004232993680.

The previous prime is 13207344224467. The next prime is 13207344224527. The reversal of 13207344224481 is 18442244370231.

The square root of 13207344224481 is 3634191.

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

13207344224481 is a `hidden beast` number, since 1 + 3 + 2 + 0 + 7 + 344 + 224 + 4 + 81 = 666.

It can be written as a sum of positive squares in only one way, i.e., 5902756934481 + 7304587290000 = 2429559^2 + 2702700^2 .

It is not a de Polignac number, because 13207344224481 - 2¹¹ = 13207344222433 is a prime.

It is a super-2 number, since 2×13207344224481² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13207344224461) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 359766555 + ... + 359803263.

Almost surely, 2^{13207344224481} is an apocalyptic number.

13207344224481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13207344224481 is the 3634191-st square number.

13207344224481 is the 1817096-th centered octagonal number.

It is an amenable number.

13207344224481 is a deficient number, since it is larger than the sum of its proper divisors (8479379658882).

13207344224481 is an frugal number, since it uses more digits than its factorization.

13207344224481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73452 (or 36723 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 45.

The spelling of 13207344224481 in words is "thirteen trillion, two hundred seven billion, three hundred forty-four million, two hundred twenty-four thousand, four hundred eighty-one".