1286323 has 2 divisors, whose sum is σ = 1286324. Its totient is φ = 1286322.

The previous prime is 1286303. The next prime is 1286359. The reversal of 1286323 is 3236821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1286323 - 2⁹ = 1285811 is a prime.

It is not a weakly prime, because it can be changed into another prime (1286303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 643161 + 643162.

It is an arithmetic number, because the mean of its divisors is an integer number (643162).

2^1286323 is an apocalyptic number.

1286323 is a deficient number, since it is larger than the sum of its proper divisors (1).

1286323 is an equidigital number, since it uses as much as digits as its factorization.

1286323 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 1286323 is about 1134.1618050349. The cubic root of 1286323 is about 108.7551950660.

The spelling of 1286323 in words is "one million, two hundred eighty-six thousand, three hundred twenty-three".