12443938 has 16 divisors (see below), whose sum is σ = 20180160. Its totient is φ = 5720976.

The previous prime is 12443933. The next prime is 12443953. The reversal of 12443938 is 83934421.

12443938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12443933) 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, 7203 + ... + 8761.

It is an arithmetic number, because the mean of its divisors is an integer number (1261260).

Almost surely, 2^12443938 is an apocalyptic number.

12443938 is a deficient number, since it is larger than the sum of its proper divisors (7736222).

12443938 is a wasteful number, since it uses less digits than its factorization.

12443938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1881.

The product of its digits is 20736, while the sum is 34.

The square root of 12443938 is about 3527.5966322696. The cubic root of 12443938 is about 231.7319660193.

The spelling of 12443938 in words is "twelve million, four hundred forty-three thousand, nine hundred thirty-eight".