13027881405 has 128 divisors (see below), whose sum is σ = 28189679616. Its totient is φ = 4971110400.

The previous prime is 13027881403. The next prime is 13027881437. The reversal of 13027881405 is 50418872031.

It is not a de Polignac number, because 13027881405 - 2¹ = 13027881403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13027881403) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 796944 + ... + 813126.

It is an arithmetic number, because the mean of its divisors is an integer number (220231872).

Almost surely, 2^13027881405 is an apocalyptic number.

13027881405 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13027881405 is an abundant number, since it is smaller than the sum of its proper divisors (15161798211).

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

13027881405 is a wasteful number, since it uses less digits than its factorization.

13027881405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16267.

The product of its (nonzero) digits is 53760, while the sum is 39.

The spelling of 13027881405 in words is "thirteen billion, twenty-seven million, eight hundred eighty-one thousand, four hundred five".