12441647 has 4 divisors (see below), whose sum is σ = 12465960. Its totient is φ = 12417336.

The previous prime is 12441629. The next prime is 12441661. The reversal of 12441647 is 74614421.

It is a happy number.

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 12441647 - 2¹⁴ = 12425263 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 (12441607) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11372 + ... + 12417.

It is an arithmetic number, because the mean of its divisors is an integer number (3116490).

Almost surely, 2^12441647 is an apocalyptic number.

12441647 is a deficient number, since it is larger than the sum of its proper divisors (24313).

12441647 is an equidigital number, since it uses as much as digits as its factorization.

12441647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24312.

The product of its digits is 5376, while the sum is 29.

The square root of 12441647 is about 3527.2718919868. The cubic root of 12441647 is about 231.7177440874.

The spelling of 12441647 in words is "twelve million, four hundred forty-one thousand, six hundred forty-seven".