12405433 has 2 divisors, whose sum is σ = 12405434. Its totient is φ = 12405432.

The previous prime is 12405431. The next prime is 12405467. The reversal of 12405433 is 33450421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12334144 + 71289 = 3512^2 + 267^2 .

It is a cyclic number.

It is not a de Polignac number, because 12405433 - 2¹ = 12405431 is a prime.

Together with 12405431, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12405431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6202716 + 6202717.

It is an arithmetic number, because the mean of its divisors is an integer number (6202717).

Almost surely, 2^12405433 is an apocalyptic number.

It is an amenable number.

12405433 is a deficient number, since it is larger than the sum of its proper divisors (1).

12405433 is an equidigital number, since it uses as much as digits as its factorization.

12405433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 12405433 is about 3522.1347220116. The cubic root of 12405433 is about 231.4927047166.

Adding to 12405433 its reverse (33450421), we get a palindrome (45855854).

The spelling of 12405433 in words is "twelve million, four hundred five thousand, four hundred thirty-three".