12713029581 has 32 divisors (see below), whose sum is σ = 19911225600. Its totient is φ = 7065146880.

The previous prime is 12713029579. The next prime is 12713029601. The reversal of 12713029581 is 18592031721.

It is a happy number.

It is not a de Polignac number, because 12713029581 - 2¹ = 12713029579 is a prime.

It is a super-2 number, since 2×12713029581² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12713029501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 58255 + ... + 169763.

It is an arithmetic number, because the mean of its divisors is an integer number (622225800).

Almost surely, 2^12713029581 is an apocalyptic number.

It is an amenable number.

12713029581 is a deficient number, since it is larger than the sum of its proper divisors (7198196019).

12713029581 is a wasteful number, since it uses less digits than its factorization.

12713029581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111669.

The product of its (nonzero) digits is 30240, while the sum is 39.

The spelling of 12713029581 in words is "twelve billion, seven hundred thirteen million, twenty-nine thousand, five hundred eighty-one".