12209833 has 2 divisors, whose sum is σ = 12209834. Its totient is φ = 12209832.

The previous prime is 12209831. The next prime is 12209861. The reversal of 12209833 is 33890221.

It is an a-pointer prime, because the next prime (12209861) can be obtained adding 12209833 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8573184 + 3636649 = 2928^2 + 1907^2 .

It is a cyclic number.

It is not a de Polignac number, because 12209833 - 2¹ = 12209831 is a prime.

Together with 12209831, it forms a pair of twin primes.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (12209831) 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, 6104916 + 6104917.

It is an arithmetic number, because the mean of its divisors is an integer number (6104917).

Almost surely, 2^12209833 is an apocalyptic number.

It is an amenable number.

12209833 is a deficient number, since it is larger than the sum of its proper divisors (1).

12209833 is an equidigital number, since it uses as much as digits as its factorization.

12209833 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 28.

The square root of 12209833 is about 3494.2571456606. The cubic root of 12209833 is about 230.2695830790.

The spelling of 12209833 in words is "twelve million, two hundred nine thousand, eight hundred thirty-three".