12726287 has 8 divisors (see below), whose sum is σ = 14582400. Its totient is φ = 10879704.

The previous prime is 12726283. The next prime is 12726299. The reversal of 12726287 is 78262721.

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

It is a cyclic number.

It is not a de Polignac number, because 12726287 - 2² = 12726283 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12726283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 764 + ... + 5102.

It is an arithmetic number, because the mean of its divisors is an integer number (1822800).

Almost surely, 2^12726287 is an apocalyptic number.

12726287 is a deficient number, since it is larger than the sum of its proper divisors (1856113).

12726287 is an equidigital number, since it uses as much as digits as its factorization.

12726287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4765.

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

The square root of 12726287 is about 3567.3921847759. The cubic root of 12726287 is about 233.4715165625.

The spelling of 12726287 in words is "twelve million, seven hundred twenty-six thousand, two hundred eighty-seven".