12740539876 has 9 divisors (see below), whose sum is σ = 22296339849. Its totient is φ = 6370157064.

The previous prime is 12740539831. The next prime is 12740539879. The reversal of 12740539876 is 67893504721.

The square root of 12740539876 is 112874.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 11267822500 + 1472717376 = 106150^2 + 38376^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12740539879) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 197530 + ... + 253966.

It is a 1-persistent number, because it is pandigital, but 2⋅12740539876 = 25481079752 is not.

Almost surely, 2^12740539876 is an apocalyptic number.

12740539876 is the 112874-th square number.

It is an amenable number.

12740539876 is a deficient number, since it is larger than the sum of its proper divisors (9555799973).

12740539876 is an frugal number, since it uses more digits than its factorization.

12740539876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112878 (or 56439 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 52.

It can be divided in two parts, 127405 and 39876, that added together give a square (167281 = 409²).

The spelling of 12740539876 in words is "twelve billion, seven hundred forty million, five hundred thirty-nine thousand, eight hundred seventy-six".