12063943 has 4 divisors (see below), whose sum is σ = 12071448. Its totient is φ = 12056440.

The previous prime is 12063901. The next prime is 12064009. The reversal of 12063943 is 34936021.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 34936021 = 4993 ⋅6997.

It is a cyclic number.

It is not a de Polignac number, because 12063943 - 2²¹ = 9966791 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 (12063343) 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 3 ways as a sum of consecutive naturals, for example, 253 + ... + 4918.

It is an arithmetic number, because the mean of its divisors is an integer number (3017862).

Almost surely, 2^12063943 is an apocalyptic number.

12063943 is a deficient number, since it is larger than the sum of its proper divisors (7505).

12063943 is an equidigital number, since it uses as much as digits as its factorization.

12063943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7504.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 12063943 is about 3473.3187299757. The cubic root of 12063943 is about 229.3487753727.

Adding to 12063943 its reverse (34936021), we get a palindrome (46999964).

The spelling of 12063943 in words is "twelve million, sixty-three thousand, nine hundred forty-three".