12611303 has 2 divisors, whose sum is σ = 12611304. Its totient is φ = 12611302.

The previous prime is 12611299. The next prime is 12611351. The reversal of 12611303 is 30311621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12611303 - 2² = 12611299 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12611353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6305651 + 6305652.

It is an arithmetic number, because the mean of its divisors is an integer number (6305652).

Almost surely, 2^12611303 is an apocalyptic number.

12611303 is a deficient number, since it is larger than the sum of its proper divisors (1).

12611303 is an equidigital number, since it uses as much as digits as its factorization.

12611303 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 12611303 is about 3551.2396427163. The cubic root of 12611303 is about 232.7662375804.

Adding to 12611303 its reverse (30311621), we get a palindrome (42922924).

The spelling of 12611303 in words is "twelve million, six hundred eleven thousand, three hundred three".