12724543 has 8 divisors (see below), whose sum is σ = 14299488. Its totient is φ = 11234784.

The previous prime is 12724531. The next prime is 12724553. The reversal of 12724543 is 34542721.

12724543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12724543 - 2¹³ = 12716351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12724553) 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, 20980 + ... + 21577.

It is an arithmetic number, because the mean of its divisors is an integer number (1787436).

Almost surely, 2^12724543 is an apocalyptic number.

12724543 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

12724543 is a deficient number, since it is larger than the sum of its proper divisors (1574945).

12724543 is a wasteful number, since it uses less digits than its factorization.

12724543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42593.

The product of its digits is 6720, while the sum is 28.

The square root of 12724543 is about 3567.1477401420. The cubic root of 12724543 is about 233.4608511599.

The spelling of 12724543 in words is "twelve million, seven hundred twenty-four thousand, five hundred forty-three".