1326979 has 8 divisors (see below), whose sum is σ = 1407680. Its totient is φ = 1247400.

The previous prime is 1326971. The next prime is 1326989. The reversal of 1326979 is 9796231.

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 1326979 - 2³ = 1326971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1326971) 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 7 ways as a sum of consecutive naturals, for example, 3844 + ... + 4174.

It is an arithmetic number, because the mean of its divisors is an integer number (175960).

2^1326979 is an apocalyptic number.

1326979 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1326979 is a deficient number, since it is larger than the sum of its proper divisors (80701).

1326979 is a wasteful number, since it uses less digits than its factorization.

1326979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561.

The product of its digits is 20412, while the sum is 37.

The square root of 1326979 is about 1151.9457452502. The cubic root of 1326979 is about 109.8891169144.

The spelling of 1326979 in words is "one million, three hundred twenty-six thousand, nine hundred seventy-nine".