12752447 has 4 divisors (see below), whose sum is σ = 12799776. Its totient is φ = 12705120.

The previous prime is 12752429. The next prime is 12752471. The reversal of 12752447 is 74425721.

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 12752447 - 2¹⁴ = 12736063 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 (12752147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23258 + ... + 23799.

It is an arithmetic number, because the mean of its divisors is an integer number (3199944).

Almost surely, 2^12752447 is an apocalyptic number.

12752447 is a deficient number, since it is larger than the sum of its proper divisors (47329).

12752447 is an equidigital number, since it uses as much as digits as its factorization.

12752447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47328.

The product of its digits is 15680, while the sum is 32.

The square root of 12752447 is about 3571.0568463692. The cubic root of 12752447 is about 233.6313808061.

The spelling of 12752447 in words is "twelve million, seven hundred fifty-two thousand, four hundred forty-seven".