12622443 has 4 divisors (see below), whose sum is σ = 16829928. Its totient is φ = 8414960.

The previous prime is 12622429. The next prime is 12622457. The reversal of 12622443 is 34422621.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12622429) and next prime (12622457).

It is a cyclic number.

It is not a de Polignac number, because 12622443 - 2⁸ = 12622187 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12622343) 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 in 3 ways as a sum of consecutive naturals, for example, 2103738 + ... + 2103743.

It is an arithmetic number, because the mean of its divisors is an integer number (4207482).

Almost surely, 2^12622443 is an apocalyptic number.

12622443 is a deficient number, since it is larger than the sum of its proper divisors (4207485).

12622443 is an equidigital number, since it uses as much as digits as its factorization.

12622443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207484.

The product of its digits is 2304, while the sum is 24.

The square root of 12622443 is about 3552.8077628828. The cubic root of 12622443 is about 232.8347542320.

The spelling of 12622443 in words is "twelve million, six hundred twenty-two thousand, four hundred forty-three".