12652447 has 4 divisors (see below), whose sum is σ = 12921696. Its totient is φ = 12383200.

The previous prime is 12652427. The next prime is 12652457. The reversal of 12652447 is 74425621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74425621 = 53 ⋅1404257.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12652447 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12652427) 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, 134554 + ... + 134647.

It is an arithmetic number, because the mean of its divisors is an integer number (3230424).

Almost surely, 2^12652447 is an apocalyptic number.

12652447 is a deficient number, since it is larger than the sum of its proper divisors (269249).

12652447 is an equidigital number, since it uses as much as digits as its factorization.

12652447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269248.

The product of its digits is 13440, while the sum is 31.

The square root of 12652447 is about 3557.0278323342. The cubic root of 12652447 is about 233.0190937707.

The spelling of 12652447 in words is "twelve million, six hundred fifty-two thousand, four hundred forty-seven".