12723797 has 2 divisors, whose sum is σ = 12723798. Its totient is φ = 12723796.

The previous prime is 12723791. The next prime is 12723833. The reversal of 12723797 is 79732721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11062276 + 1661521 = 3326^2 + 1289^2 .

It is a cyclic number.

It is not a de Polignac number, because 12723797 - 2¹⁴ = 12707413 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12723797.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12723791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6361898 + 6361899.

It is an arithmetic number, because the mean of its divisors is an integer number (6361899).

Almost surely, 2^12723797 is an apocalyptic number.

It is an amenable number.

12723797 is a deficient number, since it is larger than the sum of its proper divisors (1).

12723797 is an equidigital number, since it uses as much as digits as its factorization.

12723797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 37044, while the sum is 38.

The square root of 12723797 is about 3567.0431732739. The cubic root of 12723797 is about 233.4562887118.

The spelling of 12723797 in words is "twelve million, seven hundred twenty-three thousand, seven hundred ninety-seven".