12047443 has 4 divisors (see below), whose sum is σ = 12158080. Its totient is φ = 11936808.

The previous prime is 12047429. The next prime is 12047447. The reversal of 12047443 is 34474021.

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

It is not a de Polignac number, because 12047443 - 2⁵ = 12047411 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12047447) 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, 55155 + ... + 55372.

It is an arithmetic number, because the mean of its divisors is an integer number (3039520).

Almost surely, 2^12047443 is an apocalyptic number.

12047443 is a deficient number, since it is larger than the sum of its proper divisors (110637).

12047443 is a wasteful number, since it uses less digits than its factorization.

12047443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110636.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 12047443 is about 3470.9426673456. The cubic root of 12047443 is about 229.2441666401.

The spelling of 12047443 in words is "twelve million, forty-seven thousand, four hundred forty-three".