1288363 has 2 divisors, whose sum is σ = 1288364. Its totient is φ = 1288362.

The previous prime is 1288361. The next prime is 1288367. The reversal of 1288363 is 3638821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1288363 - 2¹ = 1288361 is a prime.

Together with 1288361, it forms a pair of twin primes.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (1288361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 644181 + 644182.

It is an arithmetic number, because the mean of its divisors is an integer number (644182).

2^1288363 is an apocalyptic number.

1288363 is a deficient number, since it is larger than the sum of its proper divisors (1).

1288363 is an equidigital number, since it uses as much as digits as its factorization.

1288363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 31.

The square root of 1288363 is about 1135.0607913235. The cubic root of 1288363 is about 108.8126568951.

The spelling of 1288363 in words is "one million, two hundred eighty-eight thousand, three hundred sixty-three".