12606019 has 2 divisors, whose sum is σ = 12606020. Its totient is φ = 12606018.

The previous prime is 12606017. The next prime is 12606029. The reversal of 12606019 is 91060621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12606019 - 2¹ = 12606017 is a prime.

It is a super-2 number, since 2×12606019² = 317823430056722, which contains 22 as substring.

Together with 12606017, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12605984 and 12606002.

It is not a weakly prime, because it can be changed into another prime (12606017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6303009 + 6303010.

It is an arithmetic number, because the mean of its divisors is an integer number (6303010).

Almost surely, 2^12606019 is an apocalyptic number.

12606019 is a deficient number, since it is larger than the sum of its proper divisors (1).

12606019 is an equidigital number, since it uses as much as digits as its factorization.

12606019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 12606019 is about 3550.4955992087. The cubic root of 12606019 is about 232.7337241910.

The spelling of 12606019 in words is "twelve million, six hundred six thousand, nineteen".