13105273406247 has 24 divisors (see below), whose sum is σ = 20652171471360. Its totient is φ = 7942037012880.

The previous prime is 13105273406221. The next prime is 13105273406261. The reversal of 13105273406247 is 74260437250131.

It is a happy number.

13105273406247 is a `hidden beast` number, since 1 + 3 + 10 + 5 + 2 + 7 + 3 + 4 + 0 + 624 + 7 = 666.

It is not a de Polignac number, because 13105273406247 - 2¹⁰ = 13105273405223 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13105273406047) 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, 3176247 + ... + 6024872.

It is an arithmetic number, because the mean of its divisors is an integer number (860507144640).

Almost surely, 2^{13105273406247} is an apocalyptic number.

13105273406247 is a deficient number, since it is larger than the sum of its proper divisors (7546898065113).

13105273406247 is a wasteful number, since it uses less digits than its factorization.

13105273406247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9215523 (or 9215520 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 13105273406247 in words is "thirteen trillion, one hundred five billion, two hundred seventy-three million, four hundred six thousand, two hundred forty-seven".