12453443 has 2 divisors, whose sum is σ = 12453444. Its totient is φ = 12453442.

The previous prime is 12453439. The next prime is 12453473. The reversal of 12453443 is 34435421.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12453443 - 2² = 12453439 is a prime.

It is not a weakly prime, because it can be changed into another prime (12453473) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6226721 + 6226722.

It is an arithmetic number, because the mean of its divisors is an integer number (6226722).

Almost surely, 2^12453443 is an apocalyptic number.

12453443 is a deficient number, since it is larger than the sum of its proper divisors (1).

12453443 is an equidigital number, since it uses as much as digits as its factorization.

12453443 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5760, while the sum is 26.

The square root of 12453443 is about 3528.9436096373. The cubic root of 12453443 is about 231.7909519494.

Adding to 12453443 its reverse (34435421), we get a palindrome (46888864).

The spelling of 12453443 in words is "twelve million, four hundred fifty-three thousand, four hundred forty-three".