12723377 has 2 divisors, whose sum is σ = 12723378. Its totient is φ = 12723376.

The previous prime is 12723371. The next prime is 12723379. The reversal of 12723377 is 77332721.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7529536 + 5193841 = 2744^2 + 2279^2 .

It is an emirp because it is prime and its reverse (77332721) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12723377 - 2⁸ = 12723121 is a prime.

Together with 12723379, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12723371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6361688 + 6361689.

It is an arithmetic number, because the mean of its divisors is an integer number (6361689).

Almost surely, 2^12723377 is an apocalyptic number.

It is an amenable number.

12723377 is a deficient number, since it is larger than the sum of its proper divisors (1).

12723377 is an equidigital number, since it uses as much as digits as its factorization.

12723377 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12348, while the sum is 32.

The square root of 12723377 is about 3566.9843004981. The cubic root of 12723377 is about 233.4537199629.

The spelling of 12723377 in words is "twelve million, seven hundred twenty-three thousand, three hundred seventy-seven".