13255437387 has 8 divisors (see below), whose sum is σ = 18713558736. Its totient is φ = 8317137152.

The previous prime is 13255437379. The next prime is 13255437397. The reversal of 13255437387 is 78373455231.

13255437387 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13255437387 - 2³ = 13255437379 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13255437397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129955218 + ... + 129955319.

It is an arithmetic number, because the mean of its divisors is an integer number (2339194842).

Almost surely, 2^13255437387 is an apocalyptic number.

13255437387 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

13255437387 is a deficient number, since it is larger than the sum of its proper divisors (5458121349).

13255437387 is a wasteful number, since it uses less digits than its factorization.

13255437387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259910557.

The product of its digits is 2116800, while the sum is 48.

The spelling of 13255437387 in words is "thirteen billion, two hundred fifty-five million, four hundred thirty-seven thousand, three hundred eighty-seven".