13081623274647 has 24 divisors (see below), whose sum is σ = 18914812752576. Its totient is φ = 8712254206656.

The previous prime is 13081623274529. The next prime is 13081623274649. The reversal of 13081623274647 is 74647232618031.

13081623274647 is a `hidden beast` number, since 1 + 3 + 0 + 8 + 1 + 623 + 2 + 7 + 4 + 6 + 4 + 7 = 666.

13081623274647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13081623274647 - 2³⁴ = 13064443405463 is a prime.

It is a super-2 number, since 2×13081623274647² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13081623274593 and 13081623274602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13081623274649) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46640913 + ... + 46920549.

It is an arithmetic number, because the mean of its divisors is an integer number (788117198024).

Almost surely, 2^{13081623274647} is an apocalyptic number.

13081623274647 is a deficient number, since it is larger than the sum of its proper divisors (5833189477929).

13081623274647 is a wasteful number, since it uses less digits than its factorization.

13081623274647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 284887 (or 284884 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 54.

The spelling of 13081623274647 in words is "thirteen trillion, eighty-one billion, six hundred twenty-three million, two hundred seventy-four thousand, six hundred forty-seven".