12744264535 has 16 divisors (see below), whose sum is σ = 16472396160. Its totient is φ = 9434184480.

The previous prime is 12744264521. The next prime is 12744264563. The reversal of 12744264535 is 53546244721.

It is not a de Polignac number, because 12744264535 - 2⁹ = 12744264023 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 12744264491 and 12744264500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1555801 + ... + 1563970.

It is an arithmetic number, because the mean of its divisors is an integer number (1029524760).

Almost surely, 2^12744264535 is an apocalyptic number.

12744264535 is a deficient number, since it is larger than the sum of its proper divisors (3728131625).

12744264535 is a wasteful number, since it uses less digits than its factorization.

12744264535 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3119838.

The product of its digits is 806400, while the sum is 43.

The spelling of 12744264535 in words is "twelve billion, seven hundred forty-four million, two hundred sixty-four thousand, five hundred thirty-five".