12438983 has 2 divisors, whose sum is σ = 12438984. Its totient is φ = 12438982.

The previous prime is 12438947. The next prime is 12439003. The reversal of 12438983 is 38983421.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12438983 - 2¹² = 12434887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12438683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6219491 + 6219492.

It is an arithmetic number, because the mean of its divisors is an integer number (6219492).

Almost surely, 2^12438983 is an apocalyptic number.

12438983 is a deficient number, since it is larger than the sum of its proper divisors (1).

12438983 is an equidigital number, since it uses as much as digits as its factorization.

12438983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 38.

The square root of 12438983 is about 3526.8942428148. The cubic root of 12438983 is about 231.7012044729.

The spelling of 12438983 in words is "twelve million, four hundred thirty-eight thousand, nine hundred eighty-three".