12500443 has 2 divisors, whose sum is σ = 12500444. Its totient is φ = 12500442.

The previous prime is 12500441. The next prime is 12500459. The reversal of 12500443 is 34400521.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12500443 - 2¹ = 12500441 is a prime.

It is a super-2 number, since 2×12500443² = 312522150392498, which contains 22 as substring.

Together with 12500441, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 12500443.

It is not a weakly prime, because it can be changed into another prime (12500441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6250221 + 6250222.

It is an arithmetic number, because the mean of its divisors is an integer number (6250222).

Almost surely, 2^12500443 is an apocalyptic number.

12500443 is a deficient number, since it is larger than the sum of its proper divisors (1).

12500443 is an equidigital number, since it uses as much as digits as its factorization.

12500443 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 12500443 is about 3535.5965550385. The cubic root of 12500443 is about 232.0821832801.

Adding to 12500443 its reverse (34400521), we get a palindrome (46900964).

The spelling of 12500443 in words is "twelve million, five hundred thousand, four hundred forty-three".