12740658487 has 16 divisors (see below), whose sum is σ = 13579960960. Its totient is φ = 11919184992.

The previous prime is 12740658467. The next prime is 12740658521. The reversal of 12740658487 is 78485604721.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12740658487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12740658467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 473128 + ... + 499330.

It is an arithmetic number, because the mean of its divisors is an integer number (848747560).

Almost surely, 2^12740658487 is an apocalyptic number.

12740658487 is a deficient number, since it is larger than the sum of its proper divisors (839302473).

12740658487 is a wasteful number, since it uses less digits than its factorization.

12740658487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26542.

The product of its (nonzero) digits is 3010560, while the sum is 52.

The spelling of 12740658487 in words is "twelve billion, seven hundred forty million, six hundred fifty-eight thousand, four hundred eighty-seven".