12406633 has 2 divisors, whose sum is σ = 12406634. Its totient is φ = 12406632.

The previous prime is 12406631. The next prime is 12406649. The reversal of 12406633 is 33660421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12299049 + 107584 = 3507^2 + 328^2 .

It is an emirp because it is prime and its reverse (33660421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12406633 - 2¹ = 12406631 is a prime.

Together with 12406631, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 12406598 and 12406607.

It is not a weakly prime, because it can be changed into another prime (12406631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6203316 + 6203317.

It is an arithmetic number, because the mean of its divisors is an integer number (6203317).

Almost surely, 2^12406633 is an apocalyptic number.

It is an amenable number.

12406633 is a deficient number, since it is larger than the sum of its proper divisors (1).

12406633 is an equidigital number, since it uses as much as digits as its factorization.

12406633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 12406633 is about 3522.3050691273. The cubic root of 12406633 is about 231.5001687121.

The spelling of 12406633 in words is "twelve million, four hundred six thousand, six hundred thirty-three".