1306223 has 2 divisors, whose sum is σ = 1306224. Its totient is φ = 1306222.

The previous prime is 1306213. The next prime is 1306237. The reversal of 1306223 is 3226031.

It is a weak prime.

It is an emirp because it is prime and its reverse (3226031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1306223 - 2⁶ = 1306159 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1306213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 653111 + 653112.

It is an arithmetic number, because the mean of its divisors is an integer number (653112).

2^1306223 is an apocalyptic number.

1306223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1306223 is an equidigital number, since it uses as much as digits as its factorization.

1306223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1306223 is about 1142.9011330819. The cubic root of 1306223 is about 109.3131582924.

The spelling of 1306223 in words is "one million, three hundred six thousand, two hundred twenty-three".