12734443 has 4 divisors (see below), whose sum is σ = 12747960. Its totient is φ = 12720928.

The previous prime is 12734431. The next prime is 12734453. The reversal of 12734443 is 34443721.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12734443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12734453) 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, 5230 + ... + 7267.

It is an arithmetic number, because the mean of its divisors is an integer number (3186990).

Almost surely, 2^12734443 is an apocalyptic number.

12734443 is a deficient number, since it is larger than the sum of its proper divisors (13517).

12734443 is a wasteful number, since it uses less digits than its factorization.

12734443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13516.

The product of its digits is 8064, while the sum is 28.

The square root of 12734443 is about 3568.5351336368. The cubic root of 12734443 is about 233.5213815139.

The spelling of 12734443 in words is "twelve million, seven hundred thirty-four thousand, four hundred forty-three".