12943447 has 8 divisors (see below), whose sum is σ = 14164992. Its totient is φ = 11729400.

The previous prime is 12943433. The next prime is 12943487. The reversal of 12943447 is 74434921.

It is a happy number.

12943447 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 12943447 - 2¹¹ = 12941399 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 (12943417) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2122 + ... + 5512.

It is an arithmetic number, because the mean of its divisors is an integer number (1770624).

Almost surely, 2^12943447 is an apocalyptic number.

12943447 is a deficient number, since it is larger than the sum of its proper divisors (1221545).

12943447 is a wasteful number, since it uses less digits than its factorization.

12943447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3749.

The product of its digits is 24192, while the sum is 34.

The square root of 12943447 is about 3597.7002376518. The cubic root of 12943447 is about 234.7920115362.

The spelling of 12943447 in words is "twelve million, nine hundred forty-three thousand, four hundred forty-seven".