1296587 has 2 divisors, whose sum is σ = 1296588. Its totient is φ = 1296586.

The previous prime is 1296583. The next prime is 1296593. The reversal of 1296587 is 7856921.

It is a weak prime.

It is an emirp because it is prime and its reverse (7856921) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1296587 - 2² = 1296583 is a prime.

It is a super-2 number, since 2×1296587² = 3362275697138, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 1296587.

It is not a weakly prime, because it can be changed into another prime (1296583) 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 as a sum of consecutive naturals, namely, 648293 + 648294.

It is an arithmetic number, because the mean of its divisors is an integer number (648294).

2^1296587 is an apocalyptic number.

1296587 is a deficient number, since it is larger than the sum of its proper divisors (1).

1296587 is an equidigital number, since it uses as much as digits as its factorization.

1296587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 38.

The square root of 1296587 is about 1138.6777419446. The cubic root of 1296587 is about 109.0436937302.

The spelling of 1296587 in words is "one million, two hundred ninety-six thousand, five hundred eighty-seven".