12744563 has 8 divisors (see below), whose sum is σ = 14060256. Its totient is φ = 11476800.

The previous prime is 12744527. The next prime is 12744569. The reversal of 12744563 is 36544721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12744563 - 2¹⁰ = 12743539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12744569) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11423 + ... + 12488.

It is an arithmetic number, because the mean of its divisors is an integer number (1757532).

Almost surely, 2^12744563 is an apocalyptic number.

12744563 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12744563 is a deficient number, since it is larger than the sum of its proper divisors (1315693).

12744563 is a wasteful number, since it uses less digits than its factorization.

12744563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23965.

The product of its digits is 20160, while the sum is 32.

The square root of 12744563 is about 3569.9528008084. The cubic root of 12744563 is about 233.5832245706.

The spelling of 12744563 in words is "twelve million, seven hundred forty-four thousand, five hundred sixty-three".