12609319 has 2 divisors, whose sum is σ = 12609320. Its totient is φ = 12609318.

The previous prime is 12609271. The next prime is 12609323. The reversal of 12609319 is 91390621.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12609319 - 2¹¹ = 12607271 is a prime.

It is a super-2 number, since 2×12609319² = 317989851287522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12609419) 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, 6304659 + 6304660.

It is an arithmetic number, because the mean of its divisors is an integer number (6304660).

Almost surely, 2^12609319 is an apocalyptic number.

12609319 is a deficient number, since it is larger than the sum of its proper divisors (1).

12609319 is an equidigital number, since it uses as much as digits as its factorization.

12609319 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 12609319 is about 3550.9602926532. The cubic root of 12609319 is about 232.7540307415.

The spelling of 12609319 in words is "twelve million, six hundred nine thousand, three hundred nineteen".