12744231583 has 4 divisors (see below), whose sum is σ = 12776333320. Its totient is φ = 12712129848.

The previous prime is 12744231559. The next prime is 12744231587. The reversal of 12744231583 is 38513244721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12744231583 - 2¹⁷ = 12744100511 is a prime.

It is a super-2 number, since 2×12744231583² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12744231587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16050273 + ... + 16051066.

It is an arithmetic number, because the mean of its divisors is an integer number (3194083330).

Almost surely, 2^12744231583 is an apocalyptic number.

12744231583 is a deficient number, since it is larger than the sum of its proper divisors (32101737).

12744231583 is an equidigital number, since it uses as much as digits as its factorization.

12744231583 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32101736.

The product of its digits is 161280, while the sum is 40.

The spelling of 12744231583 in words is "twelve billion, seven hundred forty-four million, two hundred thirty-one thousand, five hundred eighty-three".