12099443 has 2 divisors, whose sum is σ = 12099444. Its totient is φ = 12099442.

The previous prime is 12099431. The next prime is 12099473. The reversal of 12099443 is 34499021.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12099443 - 2⁶ = 12099379 is a prime.

It is not a weakly prime, because it can be changed into another prime (12099413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6049721 + 6049722.

It is an arithmetic number, because the mean of its divisors is an integer number (6049722).

Almost surely, 2^12099443 is an apocalyptic number.

12099443 is a deficient number, since it is larger than the sum of its proper divisors (1).

12099443 is an equidigital number, since it uses as much as digits as its factorization.

12099443 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 12099443 is about 3478.4253621430. The cubic root of 12099443 is about 229.5735197014.

The spelling of 12099443 in words is "twelve million, ninety-nine thousand, four hundred forty-three".