13235213045 has 4 divisors (see below), whose sum is σ = 15882255660. Its totient is φ = 10588170432.

The previous prime is 13235213041. The next prime is 13235213071. The reversal of 13235213045 is 54031253231.

It is a happy number.

13235213045 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: 54031253231 = 136067 ⋅397093.

It can be written as a sum of positive squares in 2 ways, for example, as 2327290564 + 10907922481 = 48242^2 + 104441^2 .

It is a cyclic number.

It is not a de Polignac number, because 13235213045 - 2² = 13235213041 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13235212999 and 13235213017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13235213041) by changing a digit.

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, 1323521300 + ... + 1323521309.

It is an arithmetic number, because the mean of its divisors is an integer number (3970563915).

Almost surely, 2^13235213045 is an apocalyptic number.

It is an amenable number.

13235213045 is a deficient number, since it is larger than the sum of its proper divisors (2647042615).

13235213045 is an equidigital number, since it uses as much as digits as its factorization.

13235213045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2647042614.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 13235213045 its reverse (54031253231), we get a palindrome (67266466276).

The spelling of 13235213045 in words is "thirteen billion, two hundred thirty-five million, two hundred thirteen thousand, forty-five".