12638233 has 2 divisors, whose sum is σ = 12638234. Its totient is φ = 12638232.

The previous prime is 12638207. The next prime is 12638237. The reversal of 12638233 is 33283621.

12638233 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12131289 + 506944 = 3483^2 + 712^2 .

It is a cyclic number.

It is not a de Polignac number, because 12638233 - 2⁹ = 12637721 is a prime.

It is equal to p₈₂₇₁₆₄ and since 12638233 and 827164 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 15.

It is a zygodrome in base 15.

It is not a weakly prime, because it can be changed into another prime (12638237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6319116 + 6319117.

It is an arithmetic number, because the mean of its divisors is an integer number (6319117).

Almost surely, 2^12638233 is an apocalyptic number.

It is an amenable number.

12638233 is a deficient number, since it is larger than the sum of its proper divisors (1).

12638233 is an equidigital number, since it uses as much as digits as its factorization.

12638233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 12638233 is about 3555.0292544507. The cubic root of 12638233 is about 232.9318017110.

The spelling of 12638233 in words is "twelve million, six hundred thirty-eight thousand, two hundred thirty-three".