1296871 has 8 divisors (see below), whose sum is σ = 1358784. Its totient is φ = 1236480.

The previous prime is 1296839. The next prime is 1296877. The reversal of 1296871 is 1786921.

It is a happy number.

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 1296871 - 2⁵ = 1296839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1296877) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1591 + ... + 2263.

It is an arithmetic number, because the mean of its divisors is an integer number (169848).

2^1296871 is an apocalyptic number.

1296871 is a deficient number, since it is larger than the sum of its proper divisors (61913).

1296871 is an equidigital number, since it uses as much as digits as its factorization.

1296871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761.

The product of its digits is 6048, while the sum is 34.

The square root of 1296871 is about 1138.8024411635. The cubic root of 1296871 is about 109.0516546688.

The spelling of 1296871 in words is "one million, two hundred ninety-six thousand, eight hundred seventy-one".