13123320526336 has 20 divisors (see below), whose sum is σ = 26221009568292. Its totient is φ = 6561660262912.

The previous prime is 13123320526241. The next prime is 13123320526457. The reversal of 13123320526336 is 63362502332131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12815742190 + ... + 12815743213.

Almost surely, 2^{13123320526336} is an apocalyptic number.

13123320526336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13123320526336 is a deficient number, since it is larger than the sum of its proper divisors (13097689041956).

13123320526336 is an frugal number, since it uses more digits than its factorization.

13123320526336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25631485421 (or 25631485405 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 40.

Adding to 13123320526336 its reverse (63362502332131), we get a palindrome (76485822858467).

The spelling of 13123320526336 in words is "thirteen trillion, one hundred twenty-three billion, three hundred twenty million, five hundred twenty-six thousand, three hundred thirty-six".