12704731141 has 4 divisors (see below), whose sum is σ = 12913005484. Its totient is φ = 12496456800.

The previous prime is 12704731139. The next prime is 12704731153. The reversal of 12704731141 is 14113740721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3761246241 + 8943484900 = 61329^2 + 94570^2 .

It is a cyclic number.

It is not a de Polignac number, because 12704731141 - 2¹ = 12704731139 is a prime.

It is a super-2 number, since 2×12704731141² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12704731241) 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, 104137080 + ... + 104137201.

It is an arithmetic number, because the mean of its divisors is an integer number (3228251371).

Almost surely, 2^12704731141 is an apocalyptic number.

It is an amenable number.

12704731141 is a deficient number, since it is larger than the sum of its proper divisors (208274343).

12704731141 is an equidigital number, since it uses as much as digits as its factorization.

12704731141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208274342.

The product of its (nonzero) digits is 4704, while the sum is 31.

The spelling of 12704731141 in words is "twelve billion, seven hundred four million, seven hundred thirty-one thousand, one hundred forty-one".