12604219 has 2 divisors, whose sum is σ = 12604220. Its totient is φ = 12604218.

The previous prime is 12604217. The next prime is 12604223. The reversal of 12604219 is 91240621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12604219 - 2¹ = 12604217 is a prime.

It is a super-2 number, since 2×12604219² = 317732673199922, which contains 22 as substring.

Together with 12604217, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12604193 and 12604202.

It is not a weakly prime, because it can be changed into another prime (12604211) 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, 6302109 + 6302110.

It is an arithmetic number, because the mean of its divisors is an integer number (6302110).

Almost surely, 2^12604219 is an apocalyptic number.

12604219 is a deficient number, since it is larger than the sum of its proper divisors (1).

12604219 is an equidigital number, since it uses as much as digits as its factorization.

12604219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 12604219 is about 3550.2421044205. The cubic root of 12604219 is about 232.7226463970.

The spelling of 12604219 in words is "twelve million, six hundred four thousand, two hundred nineteen".