12842173 has 2 divisors, whose sum is σ = 12842174. Its totient is φ = 12842172.

The previous prime is 12842107. The next prime is 12842177. The reversal of 12842173 is 37124821.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12830724 + 11449 = 3582^2 + 107^2 .

It is a cyclic number.

It is not a de Polignac number, because 12842173 - 2¹³ = 12833981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12842177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6421086 + 6421087.

It is an arithmetic number, because the mean of its divisors is an integer number (6421087).

Almost surely, 2^12842173 is an apocalyptic number.

It is an amenable number.

12842173 is a deficient number, since it is larger than the sum of its proper divisors (1).

12842173 is an equidigital number, since it uses as much as digits as its factorization.

12842173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2688, while the sum is 28.

The square root of 12842173 is about 3583.5977731883. The cubic root of 12842173 is about 234.1780428415.

Adding to 12842173 its reverse (37124821), we get a palindrome (49966994).

The spelling of 12842173 in words is "twelve million, eight hundred forty-two thousand, one hundred seventy-three".