12442943 has 8 divisors (see below), whose sum is σ = 12916800. Its totient is φ = 11972128.

The previous prime is 12442939. The next prime is 12442951. The reversal of 12442943 is 34924421.

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

It is not a de Polignac number, because 12442943 - 2² = 12442939 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12442933) 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, 10730 + ... + 11832.

It is an arithmetic number, because the mean of its divisors is an integer number (1614600).

Almost surely, 2^12442943 is an apocalyptic number.

12442943 is a deficient number, since it is larger than the sum of its proper divisors (473857).

12442943 is a wasteful number, since it uses less digits than its factorization.

12442943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521.

The product of its digits is 6912, while the sum is 29.

The square root of 12442943 is about 3527.4555985866. The cubic root of 12442943 is about 231.7257895327.

The spelling of 12442943 in words is "twelve million, four hundred forty-two thousand, nine hundred forty-three".