1368265 has 4 divisors (see below), whose sum is σ = 1641924. Its totient is φ = 1094608.

The previous prime is 1368259. The next prime is 1368271. The reversal of 1368265 is 5628631.

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

It is an interprime number because it is at equal distance from previous prime (1368259) and next prime (1368271).

It can be written as a sum of positive squares in 2 ways, for example, as 927369 + 440896 = 963^2 + 664^2 .

It is a cyclic number.

It is not a de Polignac number, because 1368265 - 2⁵ = 1368233 is a prime.

It is a super-2 number, since 2×1368265² = 3744298220450, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

1368265 is a lucky number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136822 + ... + 136831.

It is an arithmetic number, because the mean of its divisors is an integer number (410481).

2^1368265 is an apocalyptic number.

It is an amenable number.

1368265 is a deficient number, since it is larger than the sum of its proper divisors (273659).

1368265 is an equidigital number, since it uses as much as digits as its factorization.

1368265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273658.

The product of its digits is 8640, while the sum is 31.

The square root of 1368265 is about 1169.7286010011. The cubic root of 1368265 is about 111.0171496376.

The spelling of 1368265 in words is "one million, three hundred sixty-eight thousand, two hundred sixty-five".