12944642 has 8 divisors (see below), whose sum is σ = 19434000. Its totient is φ = 6466644.

The previous prime is 12944641. The next prime is 12944651. The reversal of 12944642 is 24644921.

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

It is a junction number, because it is equal to n+sod(n) for n = 12944599 and 12944608.

It is not an unprimeable number, because it can be changed into a prime (12944641) 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, 1109 + ... + 5207.

It is an arithmetic number, because the mean of its divisors is an integer number (2429250).

Almost surely, 2^12944642 is an apocalyptic number.

12944642 is a deficient number, since it is larger than the sum of its proper divisors (6489358).

12944642 is a wasteful number, since it uses less digits than its factorization.

12944642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5680.

The product of its digits is 13824, while the sum is 32.

The square root of 12944642 is about 3597.8663121356. The cubic root of 12944642 is about 234.7992370154.

The spelling of 12944642 in words is "twelve million, nine hundred forty-four thousand, six hundred forty-two".