12638383 has 2 divisors, whose sum is σ = 12638384. Its totient is φ = 12638382.

The previous prime is 12638377. The next prime is 12638389. The reversal of 12638383 is 38383621.

12638383 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (12638377) and next prime (12638389).

It is an emirp because it is prime and its reverse (38383621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12638383 - 2⁹ = 12637871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12638389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6319191 + 6319192.

It is an arithmetic number, because the mean of its divisors is an integer number (6319192).

Almost surely, 2^12638383 is an apocalyptic number.

12638383 is a deficient number, since it is larger than the sum of its proper divisors (1).

12638383 is an equidigital number, since it uses as much as digits as its factorization.

12638383 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 34.

The square root of 12638383 is about 3555.0503512609. The cubic root of 12638383 is about 232.9327232436.

The spelling of 12638383 in words is "twelve million, six hundred thirty-eight thousand, three hundred eighty-three".