13325206872 has 16 divisors (see below), whose sum is σ = 33313017240. Its totient is φ = 4441735616.

The previous prime is 13325206819. The next prime is 13325206877. The reversal of 13325206872 is 27860252331.

It is a super-2 number, since 2×13325206872² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13325206872.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13325206877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277608453 + ... + 277608500.

Almost surely, 2^13325206872 is an apocalyptic number.

13325206872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13325206872 is an abundant number, since it is smaller than the sum of its proper divisors (19987810368).

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

13325206872 is a wasteful number, since it uses less digits than its factorization.

13325206872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555216962 (or 555216958 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 13325206872 in words is "thirteen billion, three hundred twenty-five million, two hundred six thousand, eight hundred seventy-two".