1363216 has 10 divisors (see below), whose sum is σ = 2641262. Its totient is φ = 681600.

The previous prime is 1363207. The next prime is 1363217. The reversal of 1363216 is 6123631.

1363216 is nontrivially palindromic in base 15.

It can be written as a sum of positive squares in only one way, i.e., 1218816 + 144400 = 1104^2 + 380^2 .

It is not an unprimeable number, because it can be changed into a prime (1363217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42585 + ... + 42616.

2^1363216 is an apocalyptic number.

1363216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1363216 is a deficient number, since it is larger than the sum of its proper divisors (1278046).

1363216 is an equidigital number, since it uses as much as digits as its factorization.

1363216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85209 (or 85203 counting only the distinct ones).

The product of its digits is 648, while the sum is 22.

The square root of 1363216 is about 1167.5684134131. The cubic root of 1363216 is about 110.8804274710.

Adding to 1363216 its reverse (6123631), we get a palindrome (7486847).

The spelling of 1363216 in words is "one million, three hundred sixty-three thousand, two hundred sixteen".