13223272876728 has 64 divisors (see below), whose sum is σ = 35006126400000. Its totient is φ = 4148081290752.

The previous prime is 13223272876703. The next prime is 13223272876777. The reversal of 13223272876728 is 82767827232231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2740113 + ... + 5827071.

It is an arithmetic number, because the mean of its divisors is an integer number (546970725000).

Almost surely, 2^{13223272876728} is an apocalyptic number.

It is an amenable number.

13223272876728 is an abundant number, since it is smaller than the sum of its proper divisors (21782853523272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13223272876728 is a wasteful number, since it uses less digits than its factorization.

13223272876728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3097484 (or 3097480 counting only the distinct ones).

The product of its digits is 37933056, while the sum is 60.

The spelling of 13223272876728 in words is "thirteen trillion, two hundred twenty-three billion, two hundred seventy-two million, eight hundred seventy-six thousand, seven hundred twenty-eight".