12340873 has 2 divisors, whose sum is σ = 12340874. Its totient is φ = 12340872.

The previous prime is 12340859. The next prime is 12340879. The reversal of 12340873 is 37804321.

12340873 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 can be written as a sum of positive squares in only one way, i.e., 6827769 + 5513104 = 2613^2 + 2348^2 .

It is an emirp because it is prime and its reverse (37804321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12340873 - 2⁵ = 12340841 is a prime.

It is equal to p₈₀₈₉₃₀ and since 12340873 and 808930 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (12340879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6170436 + 6170437.

It is an arithmetic number, because the mean of its divisors is an integer number (6170437).

Almost surely, 2^12340873 is an apocalyptic number.

It is an amenable number.

12340873 is a deficient number, since it is larger than the sum of its proper divisors (1).

12340873 is an equidigital number, since it uses as much as digits as its factorization.

12340873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 12340873 is about 3512.9578705131. The cubic root of 12340873 is about 231.0904301654.

The spelling of 12340873 in words is "twelve million, three hundred forty thousand, eight hundred seventy-three".