12319642 has 8 divisors (see below), whose sum is σ = 18559476. Its totient is φ = 6133152.

The previous prime is 12319627. The next prime is 12319649. The reversal of 12319642 is 24691321.

It can be written as a sum of positive squares in 2 ways, for example, as 12313081 + 6561 = 3509^2 + 81^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 12319642.

It is not an unprimeable number, because it can be changed into a prime (12319649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12753 + ... + 13684.

Almost surely, 2^12319642 is an apocalyptic number.

12319642 is a deficient number, since it is larger than the sum of its proper divisors (6239834).

12319642 is a wasteful number, since it uses less digits than its factorization.

12319642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26672.

The product of its digits is 2592, while the sum is 28.

The square root of 12319642 is about 3509.9347572284. The cubic root of 12319642 is about 230.9578329234.

The spelling of 12319642 in words is "twelve million, three hundred nineteen thousand, six hundred forty-two".