1279946 has 8 divisors (see below), whose sum is σ = 1952640. Its totient is φ = 629068.

The previous prime is 1279937. The next prime is 1279961. The reversal of 1279946 is 6499721.

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

It is an unprimeable number.

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, 5306 + ... + 5541.

It is an arithmetic number, because the mean of its divisors is an integer number (244080).

2^1279946 is an apocalyptic number.

1279946 is a deficient number, since it is larger than the sum of its proper divisors (672694).

1279946 is a wasteful number, since it uses less digits than its factorization.

1279946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10908.

The product of its digits is 27216, while the sum is 38.

The square root of 1279946 is about 1131.3469847929. The cubic root of 1279946 is about 108.5751777824.

The spelling of 1279946 in words is "one million, two hundred seventy-nine thousand, nine hundred forty-six".