12380443 has 2 divisors, whose sum is σ = 12380444. Its totient is φ = 12380442.

The previous prime is 12380413. The next prime is 12380447. The reversal of 12380443 is 34408321.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12380443 - 2⁹ = 12379931 is a prime.

It is not a weakly prime, because it can be changed into another prime (12380447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6190221 + 6190222.

It is an arithmetic number, because the mean of its divisors is an integer number (6190222).

Almost surely, 2^12380443 is an apocalyptic number.

12380443 is a deficient number, since it is larger than the sum of its proper divisors (1).

12380443 is an equidigital number, since it uses as much as digits as its factorization.

12380443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 12380443 is about 3518.5853691505. The cubic root of 12380443 is about 231.3371575044.

Adding to 12380443 its reverse (34408321), we get a palindrome (46788764).

The spelling of 12380443 in words is "twelve million, three hundred eighty thousand, four hundred forty-three".