12319138 has 16 divisors (see below), whose sum is σ = 20018880. Its totient is φ = 5651856.

The previous prime is 12319129. The next prime is 12319193. The reversal of 12319138 is 83191321.

It is a super-2 number, since 2×12319138² = 303522322126088, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3331 + ... + 5977.

It is an arithmetic number, because the mean of its divisors is an integer number (1251180).

Almost surely, 2^12319138 is an apocalyptic number.

12319138 is a deficient number, since it is larger than the sum of its proper divisors (7699742).

12319138 is a wasteful number, since it uses less digits than its factorization.

12319138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2841.

The product of its digits is 1296, while the sum is 28.

The square root of 12319138 is about 3509.8629602878. The cubic root of 12319138 is about 230.9546833639.

The spelling of 12319138 in words is "twelve million, three hundred nineteen thousand, one hundred thirty-eight".