12842642 has 8 divisors (see below), whose sum is σ = 19627596. Its totient is φ = 6300112.

The previous prime is 12842629. The next prime is 12842647. The reversal of 12842642 is 24624821.

It can be written as a sum of positive squares in 2 ways, for example, as 12752041 + 90601 = 3571^2 + 301^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12842647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60473 + ... + 60684.

Almost surely, 2^12842642 is an apocalyptic number.

12842642 is a deficient number, since it is larger than the sum of its proper divisors (6784954).

12842642 is a wasteful number, since it uses less digits than its factorization.

12842642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121212.

The product of its digits is 6144, while the sum is 29.

The square root of 12842642 is about 3583.6632096222. The cubic root of 12842642 is about 234.1808935575.

The spelling of 12842642 in words is "twelve million, eight hundred forty-two thousand, six hundred forty-two".