12746443 has 4 divisors (see below), whose sum is σ = 12753720. Its totient is φ = 12739168.

The previous prime is 12746407. The next prime is 12746453. The reversal of 12746443 is 34464721.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12746443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12746453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 771 + ... + 5107.

It is an arithmetic number, because the mean of its divisors is an integer number (3188430).

Almost surely, 2^12746443 is an apocalyptic number.

12746443 is a deficient number, since it is larger than the sum of its proper divisors (7277).

12746443 is an equidigital number, since it uses as much as digits as its factorization.

12746443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7276.

The product of its digits is 16128, while the sum is 31.

The square root of 12746443 is about 3570.2160999021. The cubic root of 12746443 is about 233.5947095955.

The spelling of 12746443 in words is "twelve million, seven hundred forty-six thousand, four hundred forty-three".