1363963 has 2 divisors, whose sum is σ = 1363964. Its totient is φ = 1363962.

The previous prime is 1363949. The next prime is 1363979. The reversal of 1363963 is 3693631.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1363963 - 2¹³ = 1355771 is a prime.

It is not a weakly prime, because it can be changed into another prime (1363913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681981 + 681982.

It is an arithmetic number, because the mean of its divisors is an integer number (681982).

2^1363963 is an apocalyptic number.

1363963 is a deficient number, since it is larger than the sum of its proper divisors (1).

1363963 is an equidigital number, since it uses as much as digits as its factorization.

1363963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8748, while the sum is 31.

The square root of 1363963 is about 1167.8882652035. Note that the first 3 decimals coincide. The cubic root of 1363963 is about 110.9006767822.

The spelling of 1363963 in words is "one million, three hundred sixty-three thousand, nine hundred sixty-three".