13213150705 has 4 divisors (see below), whose sum is σ = 15855780852. Its totient is φ = 10570520560.

The previous prime is 13213150693. The next prime is 13213150733. The reversal of 13213150705 is 50705131231.

13213150705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50705131231 = 1283 ⋅39520757.

It can be written as a sum of positive squares in 2 ways, for example, as 3915755776 + 9297394929 = 62576^2 + 96423^2 .

It is not a de Polignac number, because 13213150705 - 2⁵ = 13213150673 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1321315066 + ... + 1321315075.

It is an arithmetic number, because the mean of its divisors is an integer number (3963945213).

Almost surely, 2^13213150705 is an apocalyptic number.

It is an amenable number.

13213150705 is a deficient number, since it is larger than the sum of its proper divisors (2642630147).

13213150705 is an equidigital number, since it uses as much as digits as its factorization.

13213150705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2642630146.

The product of its (nonzero) digits is 3150, while the sum is 28.

Adding to 13213150705 its reverse (50705131231), we get a palindrome (63918281936).

The spelling of 13213150705 in words is "thirteen billion, two hundred thirteen million, one hundred fifty thousand, seven hundred five".