12916443 has 8 divisors (see below), whose sum is σ = 17238528. Its totient is φ = 8602664.

The previous prime is 12916439. The next prime is 12916451. The reversal of 12916443 is 34461921.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12916443 - 2² = 12916439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12916443.

It is not an unprimeable number, because it can be changed into a prime (12916433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5146 + ... + 7232.

It is an arithmetic number, because the mean of its divisors is an integer number (2154816).

Almost surely, 2^12916443 is an apocalyptic number.

12916443 is a deficient number, since it is larger than the sum of its proper divisors (4322085).

12916443 is a wasteful number, since it uses less digits than its factorization.

12916443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4153.

The product of its digits is 5184, while the sum is 30.

The square root of 12916443 is about 3593.9453251267. The cubic root of 12916443 is about 234.6286151374.

The spelling of 12916443 in words is "twelve million, nine hundred sixteen thousand, four hundred forty-three".