13328048997 has 24 divisors (see below), whose sum is σ = 20309332160. Its totient is φ = 8399246400.

The previous prime is 13328048989. The next prime is 13328049037. The reversal of 13328048997 is 79984082331.

13328048997 is a `hidden beast` number, since 133 + 28 + 0 + 489 + 9 + 7 = 666.

It is not a de Polignac number, because 13328048997 - 2³ = 13328048989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13328048927) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7129 + ... + 163422.

Almost surely, 2^13328048997 is an apocalyptic number.

It is an amenable number.

13328048997 is a deficient number, since it is larger than the sum of its proper divisors (6981283163).

13328048997 is a wasteful number, since it uses less digits than its factorization.

13328048997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171033 (or 171030 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The spelling of 13328048997 in words is "thirteen billion, three hundred twenty-eight million, forty-eight thousand, nine hundred ninety-seven".