13234647105 has 40 divisors (see below), whose sum is σ = 24365556072. Its totient is φ = 6867700992.

The previous prime is 13234647103. The next prime is 13234647109. The reversal of 13234647105 is 50174643231.

13234647105 is a `hidden beast` number, since 1 + 3 + 2 + 3 + 4 + 647 + 1 + 0 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 2591217216 + 10643429889 = 50904^2 + 103167^2 .

It is not a de Polignac number, because 13234647105 - 2¹ = 13234647103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13234647105.

It is not an unprimeable number, because it can be changed into a prime (13234647103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 426612 + ... + 456581.

Almost surely, 2^13234647105 is an apocalyptic number.

13234647105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13234647105 is a deficient number, since it is larger than the sum of its proper divisors (11130908967).

13234647105 is an equidigital number, since it uses as much as digits as its factorization.

13234647105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 883247 (or 883238 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 13234647105 in words is "thirteen billion, two hundred thirty-four million, six hundred forty-seven thousand, one hundred five".