13273379712 has 128 divisors (see below), whose sum is σ = 39216960000. Its totient is φ = 4419712512.

The previous prime is 13273379699. The next prime is 13273379719. The reversal of 13273379712 is 21797337231.

13273379712 is a `hidden beast` number, since 1 + 3 + 273 + 379 + 7 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13273379719) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4916539 + ... + 4919237.

It is an arithmetic number, because the mean of its divisors is an integer number (306382500).

Almost surely, 2^13273379712 is an apocalyptic number.

13273379712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13273379712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19608480000).

13273379712 is an abundant number, since it is smaller than the sum of its proper divisors (25943580288).

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

13273379712 is a wasteful number, since it uses less digits than its factorization.

13273379712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4145 (or 4127 counting only the distinct ones).

The product of its digits is 333396, while the sum is 45.

The spelling of 13273379712 in words is "thirteen billion, two hundred seventy-three million, three hundred seventy-nine thousand, seven hundred twelve".