1327660 has 12 divisors (see below), whose sum is σ = 2788128. Its totient is φ = 531056.

The previous prime is 1327631. The next prime is 1327673. The reversal of 1327660 is 667231.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33172 + ... + 33211.

It is an arithmetic number, because the mean of its divisors is an integer number (232344).

2^1327660 is an apocalyptic number.

1327660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1327660 is an abundant number, since it is smaller than the sum of its proper divisors (1460468).

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

1327660 is a wasteful number, since it uses less digits than its factorization.

1327660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66392 (or 66390 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 1327660 is about 1152.2412941741. The cubic root of 1327660 is about 109.9079119094.

Subtracting from 1327660 its sum of digits (25), we obtain a triangular number (1327635 = T₁₆₂₉).

The spelling of 1327660 in words is "one million, three hundred twenty-seven thousand, six hundred sixty".