12724967535 has 48 divisors (see below), whose sum is σ = 23715719136. Its totient is φ = 5809343232.

The previous prime is 12724967467. The next prime is 12724967539. The reversal of 12724967535 is 53576942721.

It is not a de Polignac number, because 12724967535 - 2¹⁸ = 12724705391 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12724967539) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 556957 + ... + 579353.

It is an arithmetic number, because the mean of its divisors is an integer number (494077482).

Almost surely, 2^12724967535 is an apocalyptic number.

12724967535 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12724967535 is a deficient number, since it is larger than the sum of its proper divisors (10990751601).

12724967535 is a wasteful number, since it uses less digits than its factorization.

12724967535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23192 (or 23185 counting only the distinct ones).

The product of its digits is 3175200, while the sum is 51.

The spelling of 12724967535 in words is "twelve billion, seven hundred twenty-four million, nine hundred sixty-seven thousand, five hundred thirty-five".