12712823 has 2 divisors, whose sum is σ = 12712824. Its totient is φ = 12712822.

The previous prime is 12712807. The next prime is 12712873. The reversal of 12712823 is 32821721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12712823 - 2⁴ = 12712807 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12712792 and 12712801.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12712873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6356411 + 6356412.

It is an arithmetic number, because the mean of its divisors is an integer number (6356412).

Almost surely, 2^12712823 is an apocalyptic number.

12712823 is a deficient number, since it is larger than the sum of its proper divisors (1).

12712823 is an equidigital number, since it uses as much as digits as its factorization.

12712823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1344, while the sum is 26.

The square root of 12712823 is about 3565.5045926208. The cubic root of 12712823 is about 233.3891524053.

The spelling of 12712823 in words is "twelve million, seven hundred twelve thousand, eight hundred twenty-three".