1296265 has 8 divisors (see below), whose sum is σ = 1605888. Its totient is φ = 1003440.

The previous prime is 1296227. The next prime is 1296277. The reversal of 1296265 is 5626921.

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

It is not a de Polignac number, because 1296265 - 2⁷ = 1296137 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4027 + ... + 4336.

It is an arithmetic number, because the mean of its divisors is an integer number (200736).

2^1296265 is an apocalyptic number.

It is an amenable number.

1296265 is a deficient number, since it is larger than the sum of its proper divisors (309623).

1296265 is an equidigital number, since it uses as much as digits as its factorization.

1296265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8399.

The product of its digits is 6480, while the sum is 31.

The square root of 1296265 is about 1138.5363410976. The cubic root of 1296265 is about 109.0346661894.

The spelling of 1296265 in words is "one million, two hundred ninety-six thousand, two hundred sixty-five".