13306727880 has 96 divisors (see below), whose sum is σ = 43955903160. Its totient is φ = 3490283520.

The previous prime is 13306727873. The next prime is 13306727887. The reversal of 13306727880 is 8872760331.

It is an interprime number because it is at equal distance from previous prime (13306727873) and next prime (13306727887).

It can be written as a sum of positive squares in 4 ways, for example, as 9825963876 + 3480764004 = 99126^2 + 58998^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (13306727887) 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, 281017 + ... + 324936.

Almost surely, 2^13306727880 is an apocalyptic number.

13306727880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13306727880 is an abundant number, since it is smaller than the sum of its proper divisors (30649175280).

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

13306727880 is a wasteful number, since it uses less digits than its factorization.

13306727880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606031 (or 606024 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 13306727880 in words is "thirteen billion, three hundred six million, seven hundred twenty-seven thousand, eight hundred eighty".