12727813 has 16 divisors (see below), whose sum is σ = 14909440. Its totient is φ = 10641456.

The previous prime is 12727811. The next prime is 12727817. The reversal of 12727813 is 31872721.

It is not a de Polignac number, because 12727813 - 2¹ = 12727811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12727811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91498 + ... + 91636.

It is an arithmetic number, because the mean of its divisors is an integer number (931840).

Almost surely, 2^12727813 is an apocalyptic number.

It is an amenable number.

12727813 is a deficient number, since it is larger than the sum of its proper divisors (2181627).

12727813 is a wasteful number, since it uses less digits than its factorization.

12727813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376.

The product of its digits is 4704, while the sum is 31.

The square root of 12727813 is about 3567.6060600913. The cubic root of 12727813 is about 233.4808479906.

The spelling of 12727813 in words is "twelve million, seven hundred twenty-seven thousand, eight hundred thirteen".