12124643 has 8 divisors (see below), whose sum is σ = 12593616. Its totient is φ = 11664000.

The previous prime is 12124591. The next prime is 12124661. The reversal of 12124643 is 34642121.

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 12124643 - 2²² = 7930339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12124663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 968 + ... + 5018.

It is an arithmetic number, because the mean of its divisors is an integer number (1574202).

Almost surely, 2^12124643 is an apocalyptic number.

12124643 is a deficient number, since it is larger than the sum of its proper divisors (468973).

12124643 is an equidigital number, since it uses as much as digits as its factorization.

12124643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4165.

The product of its digits is 1152, while the sum is 23.

The square root of 12124643 is about 3482.0458067062. The cubic root of 12124643 is about 229.7327898690.

Adding to 12124643 its reverse (34642121), we get a palindrome (46766764).

The spelling of 12124643 in words is "twelve million, one hundred twenty-four thousand, six hundred forty-three".