1304265 has 8 divisors (see below), whose sum is σ = 2086848. Its totient is φ = 695600.

The previous prime is 1304249. The next prime is 1304267. The reversal of 1304265 is 5624031.

It is a happy number.

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

It is not a de Polignac number, because 1304265 - 2⁴ = 1304249 is a prime.

It is a super-2 number, since 2×1304265² = 3402214380450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1304267) 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, 43461 + ... + 43490.

It is an arithmetic number, because the mean of its divisors is an integer number (260856).

2^1304265 is an apocalyptic number.

1304265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1304265 is a deficient number, since it is larger than the sum of its proper divisors (782583).

1304265 is an equidigital number, since it uses as much as digits as its factorization.

1304265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86959.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1304265 is about 1142.0442198094. The cubic root of 1304265 is about 109.2585116259.

Adding to 1304265 its reverse (5624031), we get a palindrome (6928296).

The spelling of 1304265 in words is "one million, three hundred four thousand, two hundred sixty-five".