1296069 has 4 divisors (see below), whose sum is σ = 1728096. Its totient is φ = 864044.

The previous prime is 1296059. The next prime is 1296077. The reversal of 1296069 is 9606921.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1296069 - 2⁵ = 1296037 is a prime.

It is a super-2 number, since 2×1296069² = 3359589705522, which contains 22 as substring.

It is a D-number.

1296069 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1296019) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 216009 + ... + 216014.

It is an arithmetic number, because the mean of its divisors is an integer number (432024).

2^1296069 is an apocalyptic number.

It is an amenable number.

1296069 is a deficient number, since it is larger than the sum of its proper divisors (432027).

1296069 is an equidigital number, since it uses as much as digits as its factorization.

1296069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432026.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 1296069 is about 1138.4502624182. The cubic root of 1296069 is about 109.0291704325.

The spelling of 1296069 in words is "one million, two hundred ninety-six thousand, sixty-nine".