12613205326 has 8 divisors (see below), whose sum is σ = 18925427304. Its totient is φ = 6304729560.

The previous prime is 12613205323. The next prime is 12613205411. The reversal of 12613205326 is 62350231621.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12613205323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 928120 + ... + 941611.

It is an arithmetic number, because the mean of its divisors is an integer number (2365678413).

Almost surely, 2^12613205326 is an apocalyptic number.

12613205326 is a deficient number, since it is larger than the sum of its proper divisors (6312221978).

12613205326 is a wasteful number, since it uses less digits than its factorization.

12613205326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1873106.

The product of its (nonzero) digits is 12960, while the sum is 31.

Adding to 12613205326 its reverse (62350231621), we get a palindrome (74963436947).

The spelling of 12613205326 in words is "twelve billion, six hundred thirteen million, two hundred five thousand, three hundred twenty-six".