12771723 has 4 divisors (see below), whose sum is σ = 17028968. Its totient is φ = 8514480.

The previous prime is 12771719. The next prime is 12771727. The reversal of 12771723 is 32717721.

12771723 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 32717721 = 3 ⋅10905907.

It is an interprime number because it is at equal distance from previous prime (12771719) and next prime (12771727).

It is not a de Polignac number, because 12771723 - 2² = 12771719 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12771727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2128618 + ... + 2128623.

It is an arithmetic number, because the mean of its divisors is an integer number (4257242).

Almost surely, 2^12771723 is an apocalyptic number.

12771723 is a deficient number, since it is larger than the sum of its proper divisors (4257245).

12771723 is an equidigital number, since it uses as much as digits as its factorization.

12771723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4257244.

The product of its digits is 4116, while the sum is 30.

The square root of 12771723 is about 3573.7547481605. The cubic root of 12771723 is about 233.7490369526.

The spelling of 12771723 in words is "twelve million, seven hundred seventy-one thousand, seven hundred twenty-three".