13246389714481 has 45 divisors (see below), whose sum is σ = 16953812398395. Its totient is φ = 10319460006240.

The previous prime is 13246389714479. The next prime is 13246389714487. The reversal of 13246389714481 is 18441798364231.

It is a happy number.

The square root of 13246389714481 is 3639559.

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., 7095910354225 + 6150479360256 = 2663815^2 + 2480016^2 .

It is not a de Polignac number, because 13246389714481 - 2¹ = 13246389714479 is a prime.

It is a super-2 number, since 2×13246389714481² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13246389714487) 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, 3082704325 + ... + 3082708621.

It is an arithmetic number, because the mean of its divisors is an integer number (376751386631).

Almost surely, 2^{13246389714481} is an apocalyptic number.

13246389714481 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13246389714481 is the 3639559-th square number.

13246389714481 is the 1819780-th centered octagonal number.

It is an amenable number.

13246389714481 is a deficient number, since it is larger than the sum of its proper divisors (3707422683914).

13246389714481 is an frugal number, since it uses more digits than its factorization.

13246389714481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8652 (or 4315 counting only the distinct ones).

The product of its digits is 27869184, while the sum is 61.

The spelling of 13246389714481 in words is "thirteen trillion, two hundred forty-six billion, three hundred eighty-nine million, seven hundred fourteen thousand, four hundred eighty-one".