12606427 has 2 divisors, whose sum is σ = 12606428. Its totient is φ = 12606426.

The previous prime is 12606409. The next prime is 12606437. The reversal of 12606427 is 72460621.

It is a strong prime.

It is an emirp because it is prime and its reverse (72460621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12606427 - 2¹¹ = 12604379 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12606395 and 12606404.

It is not a weakly prime, because it can be changed into another prime (12606437) 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, 6303213 + 6303214.

It is an arithmetic number, because the mean of its divisors is an integer number (6303214).

Almost surely, 2^12606427 is an apocalyptic number.

12606427 is a deficient number, since it is larger than the sum of its proper divisors (1).

12606427 is an equidigital number, since it uses as much as digits as its factorization.

12606427 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 12606427 is about 3550.5530555112. The cubic root of 12606427 is about 232.7362350110.

The spelling of 12606427 in words is "twelve million, six hundred six thousand, four hundred twenty-seven".