12651103 has 2 divisors, whose sum is σ = 12651104. Its totient is φ = 12651102.

The previous prime is 12651101. The next prime is 12651161. The reversal of 12651103 is 30115621.

12651103 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (30115621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12651103 - 2¹ = 12651101 is a prime.

Together with 12651101, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12651101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6325551 + 6325552.

It is an arithmetic number, because the mean of its divisors is an integer number (6325552).

Almost surely, 2^12651103 is an apocalyptic number.

12651103 is a deficient number, since it is larger than the sum of its proper divisors (1).

12651103 is an equidigital number, since it uses as much as digits as its factorization.

12651103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 12651103 is about 3556.8389055452. The cubic root of 12651103 is about 233.0108426988.

Adding to 12651103 its reverse (30115621), we get a palindrome (42766724).

The spelling of 12651103 in words is "twelve million, six hundred fifty-one thousand, one hundred three".