1296986 has 8 divisors (see below), whose sum is σ = 1974720. Its totient is φ = 638748.

The previous prime is 1296983. The next prime is 1297001. The reversal of 1296986 is 6896921.

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

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (1296983) 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, 4706 + ... + 4973.

It is an arithmetic number, because the mean of its divisors is an integer number (246840).

2^1296986 is an apocalyptic number.

1296986 is a deficient number, since it is larger than the sum of its proper divisors (677734).

1296986 is an equidigital number, since it uses as much as digits as its factorization.

1296986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9748.

The product of its digits is 46656, while the sum is 41.

The square root of 1296986 is about 1138.8529316817. The cubic root of 1296986 is about 109.0548779577.

The spelling of 1296986 in words is "one million, two hundred ninety-six thousand, nine hundred eighty-six".