13234120705 has 16 divisors (see below), whose sum is σ = 17119524240. Its totient is φ = 9763193088.

The previous prime is 13234120703. The next prime is 13234120721. The reversal of 13234120705 is 50702143231.

It can be written as a sum of positive squares in 8 ways, for example, as 2123274241 + 11110846464 = 46079^2 + 105408^2 .

It is a cyclic number.

It is not a de Polignac number, because 13234120705 - 2¹ = 13234120703 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13234120703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34650 + ... + 166339.

It is an arithmetic number, because the mean of its divisors is an integer number (1069970265).

Almost surely, 2^13234120705 is an apocalyptic number.

It is an amenable number.

13234120705 is a deficient number, since it is larger than the sum of its proper divisors (3885403535).

13234120705 is a wasteful number, since it uses less digits than its factorization.

13234120705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202020.

The product of its (nonzero) digits is 5040, while the sum is 28.

Adding to 13234120705 its reverse (50702143231), we get a palindrome (63936263936).

The spelling of 13234120705 in words is "thirteen billion, two hundred thirty-four million, one hundred twenty thousand, seven hundred five".