1366303 has 2 divisors, whose sum is σ = 1366304. Its totient is φ = 1366302.

The previous prime is 1366297. The next prime is 1366327. The reversal of 1366303 is 3036631.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1366303 - 2¹³ = 1358111 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1366333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 683151 + 683152.

It is an arithmetic number, because the mean of its divisors is an integer number (683152).

2^1366303 is an apocalyptic number.

1366303 is a deficient number, since it is larger than the sum of its proper divisors (1).

1366303 is an equidigital number, since it uses as much as digits as its factorization.

1366303 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 1366303 is about 1168.8896440640. The cubic root of 1366303 is about 110.9640605451.

The spelling of 1366303 in words is "one million, three hundred sixty-six thousand, three hundred three".