12944047 has 4 divisors (see below), whose sum is σ = 12962440. Its totient is φ = 12925656.

The previous prime is 12944039. The next prime is 12944053. The reversal of 12944047 is 74044921.

12944047 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74044921 = 1789 ⋅41389.

It is a cyclic number.

It is not a de Polignac number, because 12944047 - 2³ = 12944039 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12942047) 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, 8097 + ... + 9562.

It is an arithmetic number, because the mean of its divisors is an integer number (3240610).

Almost surely, 2^12944047 is an apocalyptic number.

12944047 is a deficient number, since it is larger than the sum of its proper divisors (18393).

12944047 is an equidigital number, since it uses as much as digits as its factorization.

12944047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18392.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 12944047 is about 3597.7836232881. The cubic root of 12944047 is about 234.7956394474.

Adding to 12944047 its reverse (74044921), we get a palindrome (86988968).

The spelling of 12944047 in words is "twelve million, nine hundred forty-four thousand, forty-seven".