12831326 has 8 divisors (see below), whose sum is σ = 19282080. Its totient is φ = 6403968.

The previous prime is 12831317. The next prime is 12831331. The reversal of 12831326 is 62313821.

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 = 12831295 and 12831304.

It is a congruent number.

It is an unprimeable number.

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, 4406 + ... + 6713.

It is an arithmetic number, because the mean of its divisors is an integer number (2410260).

Almost surely, 2^12831326 is an apocalyptic number.

12831326 is a deficient number, since it is larger than the sum of its proper divisors (6450754).

12831326 is a wasteful number, since it uses less digits than its factorization.

12831326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11698.

The product of its digits is 1728, while the sum is 26.

The square root of 12831326 is about 3582.0840302818. The cubic root of 12831326 is about 234.1120923015.

The spelling of 12831326 in words is "twelve million, eight hundred thirty-one thousand, three hundred twenty-six".