12634103 has 2 divisors, whose sum is σ = 12634104. Its totient is φ = 12634102.

The previous prime is 12634099. The next prime is 12634121. The reversal of 12634103 is 30143621.

It is a weak prime.

It is an emirp because it is prime and its reverse (30143621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12634103 - 2² = 12634099 is a prime.

It is a super-2 number, since 2×12634103² = 319241117229218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12634133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6317051 + 6317052.

It is an arithmetic number, because the mean of its divisors is an integer number (6317052).

Almost surely, 2^12634103 is an apocalyptic number.

12634103 is a deficient number, since it is larger than the sum of its proper divisors (1).

12634103 is an equidigital number, since it uses as much as digits as its factorization.

12634103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 12634103 is about 3554.4483397568. The cubic root of 12634103 is about 232.9064259814.

Adding to 12634103 its reverse (30143621), we get a palindrome (42777724).

The spelling of 12634103 in words is "twelve million, six hundred thirty-four thousand, one hundred three".