12443863 has 2 divisors, whose sum is σ = 12443864. Its totient is φ = 12443862.

The previous prime is 12443833. The next prime is 12443887. The reversal of 12443863 is 36834421.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12443863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12443833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6221931 + 6221932.

It is an arithmetic number, because the mean of its divisors is an integer number (6221932).

Almost surely, 2^12443863 is an apocalyptic number.

12443863 is a deficient number, since it is larger than the sum of its proper divisors (1).

12443863 is an equidigital number, since it uses as much as digits as its factorization.

12443863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 31.

The square root of 12443863 is about 3527.5860017865. The cubic root of 12443863 is about 231.7315004665.

The spelling of 12443863 in words is "twelve million, four hundred forty-three thousand, eight hundred sixty-three".