13227993999 has 12 divisors (see below), whose sum is σ = 20844111912. Its totient is φ = 8016966000.

The previous prime is 13227993949. The next prime is 13227994001. The reversal of 13227993999 is 99939972231.

13227993999 is a `hidden beast` number, since 13 + 227 + 9 + 9 + 399 + 9 = 666.

It is not a de Polignac number, because 13227993999 - 2⁹ = 13227993487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13227993929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66807952 + ... + 66808149.

It is an arithmetic number, because the mean of its divisors is an integer number (1737009326).

Almost surely, 2^13227993999 is an apocalyptic number.

13227993999 is a deficient number, since it is larger than the sum of its proper divisors (7616117913).

13227993999 is a wasteful number, since it uses less digits than its factorization.

13227993999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133616118 (or 133616115 counting only the distinct ones).

The product of its digits is 14880348, while the sum is 63.

The spelling of 13227993999 in words is "thirteen billion, two hundred twenty-seven million, nine hundred ninety-three thousand, nine hundred ninety-nine".