12662233 has 2 divisors, whose sum is σ = 12662234. Its totient is φ = 12662232.

The previous prime is 12662201. The next prime is 12662239. The reversal of 12662233 is 33226621.

It is a happy number.

12662233 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12027024 + 635209 = 3468^2 + 797^2 .

It is an emirp because it is prime and its reverse (33226621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12662233 - 2⁵ = 12662201 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12662198 and 12662207.

It is not a weakly prime, because it can be changed into another prime (12662239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6331116 + 6331117.

It is an arithmetic number, because the mean of its divisors is an integer number (6331117).

Almost surely, 2^12662233 is an apocalyptic number.

It is an amenable number.

12662233 is a deficient number, since it is larger than the sum of its proper divisors (1).

12662233 is an equidigital number, since it uses as much as digits as its factorization.

12662233 is an evil number, because the sum of its binary digits is even.

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

The square root of 12662233 is about 3558.4031531011. The cubic root of 12662233 is about 233.0791542792.

Adding to 12662233 its reverse (33226621), we get a palindrome (45888854).

The spelling of 12662233 in words is "twelve million, six hundred sixty-two thousand, two hundred thirty-three".