1326660 has 24 divisors (see below), whose sum is σ = 3714816. Its totient is φ = 353760.

The previous prime is 1326659. The next prime is 1326673. The reversal of 1326660 is 666231.

It is a self number, because there is not a number n which added to its sum of digits gives 1326660.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10996 + ... + 11115.

It is an arithmetic number, because the mean of its divisors is an integer number (154784).

2^1326660 is an apocalyptic number.

1326660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1326660 is an abundant number, since it is smaller than the sum of its proper divisors (2388156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1326660 is a wasteful number, since it uses less digits than its factorization.

1326660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22123 (or 22121 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1326660 is about 1151.8072755457. The cubic root of 1326660 is about 109.8803105863.

The spelling of 1326660 in words is "one million, three hundred twenty-six thousand, six hundred sixty".