1368863 has 4 divisors (see below), whose sum is σ = 1378200. Its totient is φ = 1359528.

The previous prime is 1368847. The next prime is 1368869. The reversal of 1368863 is 3688631.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1368863 - 2⁴ = 1368847 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1368869) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4445 + ... + 4742.

It is an arithmetic number, because the mean of its divisors is an integer number (344550).

2^1368863 is an apocalyptic number.

1368863 is a deficient number, since it is larger than the sum of its proper divisors (9337).

1368863 is an equidigital number, since it uses as much as digits as its factorization.

1368863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9336.

The product of its digits is 20736, while the sum is 35.

The square root of 1368863 is about 1169.9841879273. The cubic root of 1368863 is about 111.0333206245.

The spelling of 1368863 in words is "one million, three hundred sixty-eight thousand, eight hundred sixty-three".