12786272 has 12 divisors (see below), whose sum is σ = 25173036. Its totient is φ = 6393120.

The previous prime is 12786269. The next prime is 12786281. The reversal of 12786272 is 27268721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199754 + ... + 199817.

It is an arithmetic number, because the mean of its divisors is an integer number (2097753).

Almost surely, 2^12786272 is an apocalyptic number.

It is an amenable number.

12786272 is a deficient number, since it is larger than the sum of its proper divisors (12386764).

12786272 is an equidigital number, since it uses as much as digits as its factorization.

12786272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399581 (or 399573 counting only the distinct ones).

The product of its digits is 18816, while the sum is 35.

The square root of 12786272 is about 3575.7897029887. The cubic root of 12786272 is about 233.8377622353.

The spelling of 12786272 in words is "twelve million, seven hundred eighty-six thousand, two hundred seventy-two".