12604019 has 2 divisors, whose sum is σ = 12604020. Its totient is φ = 12604018.

The previous prime is 12604001. The next prime is 12604057. The reversal of 12604019 is 91040621.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12604019 - 2²⁰ = 11555443 is a prime.

It is a super-2 number, since 2×12604019² = 317722589904722, which contains 22 as substring.

It is a Chen prime.

It is equal to p₈₂₅₀₅₃ and since 12604019 and 825053 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 12603985 and 12604003.

It is not a weakly prime, because it can be changed into another prime (12604099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6302009 + 6302010.

It is an arithmetic number, because the mean of its divisors is an integer number (6302010).

Almost surely, 2^12604019 is an apocalyptic number.

12604019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12604019 is an equidigital number, since it uses as much as digits as its factorization.

12604019 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 23.

The square root of 12604019 is about 3550.2139372156. The cubic root of 12604019 is about 232.7214154659.

The spelling of 12604019 in words is "twelve million, six hundred four thousand, nineteen".