12711531460 has 12 divisors (see below), whose sum is σ = 26694216108. Its totient is φ = 5084612576.

The previous prime is 12711531439. The next prime is 12711531461. The reversal of 12711531460 is 6413511721.

It can be written as a sum of positive squares in 2 ways, for example, as 4734540864 + 7976990596 = 68808^2 + 89314^2 .

It is not an unprimeable number, because it can be changed into a prime (12711531461) 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, 317788267 + ... + 317788306.

It is an arithmetic number, because the mean of its divisors is an integer number (2224518009).

Almost surely, 2^12711531460 is an apocalyptic number.

12711531460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12711531460 is an abundant number, since it is smaller than the sum of its proper divisors (13982684648).

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

12711531460 is a wasteful number, since it uses less digits than its factorization.

12711531460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 635576582 (or 635576580 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The spelling of 12711531460 in words is "twelve billion, seven hundred eleven million, five hundred thirty-one thousand, four hundred sixty".