1363265 has 8 divisors (see below), whose sum is σ = 1680360. Its totient is φ = 1060992.

The previous prime is 1363259. The next prime is 1363267. The reversal of 1363265 is 5623631.

It can be written as a sum of positive squares in 4 ways, for example, as 703921 + 659344 = 839^2 + 812^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1363265 - 2¹⁴ = 1346881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1363267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3500 + ... + 3869.

It is an arithmetic number, because the mean of its divisors is an integer number (210045).

2^1363265 is an apocalyptic number.

It is an amenable number.

1363265 is a deficient number, since it is larger than the sum of its proper divisors (317095).

1363265 is an equidigital number, since it uses as much as digits as its factorization.

1363265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7411.

The product of its digits is 3240, while the sum is 26.

The square root of 1363265 is about 1167.5893970056. The cubic root of 1363265 is about 110.8817559658.

Adding to 1363265 its reverse (5623631), we get a palindrome (6986896).

The spelling of 1363265 in words is "one million, three hundred sixty-three thousand, two hundred sixty-five".