12724345 has 8 divisors (see below), whose sum is σ = 15624576. Its totient is φ = 9942576.

The previous prime is 12724343. The next prime is 12724351. The reversal of 12724345 is 54342721.

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 12724345 - 2¹ = 12724343 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12724343) 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, 29377 + ... + 29806.

It is an arithmetic number, because the mean of its divisors is an integer number (1953072).

Almost surely, 2^12724345 is an apocalyptic number.

It is an amenable number.

12724345 is a deficient number, since it is larger than the sum of its proper divisors (2900231).

12724345 is an equidigital number, since it uses as much as digits as its factorization.

12724345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59231.

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

The square root of 12724345 is about 3567.1199867680. The cubic root of 12724345 is about 233.4596402326.

The spelling of 12724345 in words is "twelve million, seven hundred twenty-four thousand, three hundred forty-five".