1310986 has 8 divisors (see below), whose sum is σ = 1971360. Its totient is φ = 653868.

The previous prime is 1310963. The next prime is 1310987. The reversal of 1310986 is 6890131.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1310987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035 + ... + 1921.

It is an arithmetic number, because the mean of its divisors is an integer number (246420).

2^1310986 is an apocalyptic number.

1310986 is a deficient number, since it is larger than the sum of its proper divisors (660374).

1310986 is an equidigital number, since it uses as much as digits as its factorization.

1310986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1628.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 1310986 is about 1144.9829693057. The cubic root of 1310986 is about 109.4458633027.

The spelling of 1310986 in words is "one million, three hundred ten thousand, nine hundred eighty-six".