12724326 has 12 divisors (see below), whose sum is σ = 27569412. Its totient is φ = 4241436.

The previous prime is 12724277. The next prime is 12724331. The reversal of 12724326 is 62342721.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12724326.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 353436 + ... + 353471.

It is an arithmetic number, because the mean of its divisors is an integer number (2297451).

Almost surely, 2^12724326 is an apocalyptic number.

12724326 is an abundant number, since it is smaller than the sum of its proper divisors (14845086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12724326 is a wasteful number, since it uses less digits than its factorization.

12724326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706915 (or 706912 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 12724326 is about 3567.1173235541. The cubic root of 12724326 is about 233.4595240318.

The spelling of 12724326 in words is "twelve million, seven hundred twenty-four thousand, three hundred twenty-six".