12443894 has 8 divisors (see below), whose sum is σ = 18709680. Its totient is φ = 6207336.

The previous prime is 12443887. The next prime is 12443903. The reversal of 12443894 is 49834421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6209 + ... + 7964.

It is an arithmetic number, because the mean of its divisors is an integer number (2338710).

Almost surely, 2^12443894 is an apocalyptic number.

12443894 is a deficient number, since it is larger than the sum of its proper divisors (6265786).

12443894 is a wasteful number, since it uses less digits than its factorization.

12443894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14614.

The product of its digits is 27648, while the sum is 35.

The square root of 12443894 is about 3527.5903957234. The cubic root of 12443894 is about 231.7316928952.

The spelling of 12443894 in words is "twelve million, four hundred forty-three thousand, eight hundred ninety-four".