12463131513 has 32 divisors (see below), whose sum is σ = 19237478400. Its totient is φ = 7029680256.

The previous prime is 12463131451. The next prime is 12463131533. The reversal of 12463131513 is 31513136421.

It is not a de Polignac number, because 12463131513 - 2⁶ = 12463131449 is a prime.

It is a super-2 number, since 2×12463131513² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12463131533) 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, 2505693 + ... + 2510661.

It is an arithmetic number, because the mean of its divisors is an integer number (601171200).

Almost surely, 2^12463131513 is an apocalyptic number.

It is an amenable number.

12463131513 is a deficient number, since it is larger than the sum of its proper divisors (6774346887).

12463131513 is a wasteful number, since it uses less digits than its factorization.

12463131513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6501.

The product of its digits is 6480, while the sum is 30.

Adding to 12463131513 its reverse (31513136421), we get a palindrome (43976267934).

The spelling of 12463131513 in words is "twelve billion, four hundred sixty-three million, one hundred thirty-one thousand, five hundred thirteen".