12873823 has 2 divisors, whose sum is σ = 12873824. Its totient is φ = 12873822.

The previous prime is 12873803. The next prime is 12873827. The reversal of 12873823 is 32837821.

12873823 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (32837821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12873823 - 2¹³ = 12865631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12873827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6436911 + 6436912.

It is an arithmetic number, because the mean of its divisors is an integer number (6436912).

Almost surely, 2^12873823 is an apocalyptic number.

12873823 is a deficient number, since it is larger than the sum of its proper divisors (1).

12873823 is an equidigital number, since it uses as much as digits as its factorization.

12873823 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 34.

The square root of 12873823 is about 3588.0110089017. The cubic root of 12873823 is about 234.3702651014.

The spelling of 12873823 in words is "twelve million, eight hundred seventy-three thousand, eight hundred twenty-three".