1368173 has 2 divisors, whose sum is σ = 1368174. Its totient is φ = 1368172.

The previous prime is 1368167. The next prime is 1368181. The reversal of 1368173 is 3718631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1304164 + 64009 = 1142^2 + 253^2 .

It is a cyclic number.

It is not a de Polignac number, because 1368173 - 2¹⁸ = 1106029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1368163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 684086 + 684087.

It is an arithmetic number, because the mean of its divisors is an integer number (684087).

2^1368173 is an apocalyptic number.

It is an amenable number.

1368173 is a deficient number, since it is larger than the sum of its proper divisors (1).

1368173 is an equidigital number, since it uses as much as digits as its factorization.

1368173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 29.

The square root of 1368173 is about 1169.6892749786. The cubic root of 1368173 is about 111.0146613753.

It can be divided in two parts, 13 and 68173, that added together give a palindrome (68186).

The spelling of 1368173 in words is "one million, three hundred sixty-eight thousand, one hundred seventy-three".