12443001 has 16 divisors (see below), whose sum is σ = 17366400. Its totient is φ = 7914368.

The previous prime is 12442999. The next prime is 12443029. The reversal of 12443001 is 10034421.

It is a cyclic number.

It is not a de Polignac number, because 12443001 - 2¹ = 12442999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12443701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6940 + ... + 8546.

It is an arithmetic number, because the mean of its divisors is an integer number (1085400).

Almost surely, 2^12443001 is an apocalyptic number.

It is an amenable number.

12443001 is a deficient number, since it is larger than the sum of its proper divisors (4923399).

12443001 is a wasteful number, since it uses less digits than its factorization.

12443001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728.

The product of its (nonzero) digits is 96, while the sum is 15.

The square root of 12443001 is about 3527.4638198003. The cubic root of 12443001 is about 231.7261495781.

Adding to 12443001 its reverse (10034421), we get a palindrome (22477422).

The spelling of 12443001 in words is "twelve million, four hundred forty-three thousand, one".