12719138 has 8 divisors (see below), whose sum is σ = 19908288. Its totient is φ = 6083044.

The previous prime is 12719123. The next prime is 12719141. The reversal of 12719138 is 83191721.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138206 + ... + 138297.

It is an arithmetic number, because the mean of its divisors is an integer number (2488536).

Almost surely, 2^12719138 is an apocalyptic number.

12719138 is a deficient number, since it is larger than the sum of its proper divisors (7189150).

12719138 is a wasteful number, since it uses less digits than its factorization.

12719138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276528.

The product of its digits is 3024, while the sum is 32.

The square root of 12719138 is about 3566.3900515788. The cubic root of 12719138 is about 233.4277907817.

The spelling of 12719138 in words is "twelve million, seven hundred nineteen thousand, one hundred thirty-eight".