1327812 has 12 divisors (see below), whose sum is σ = 3098256. Its totient is φ = 442600.

The previous prime is 1327801. The next prime is 1327831. The reversal of 1327812 is 2187231.

It is a tau number, because it is divible by the number of its divisors (12).

It is a d-powerful number, because it can be written as 1 + 3³ + 2⁸ + 7⁵ + 8⁶ + 1 + 2²⁰ .

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, 55314 + ... + 55337.

It is an arithmetic number, because the mean of its divisors is an integer number (258188).

2^1327812 is an apocalyptic number.

1327812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1327812 is an abundant number, since it is smaller than the sum of its proper divisors (1770444).

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

1327812 is a wasteful number, since it uses less digits than its factorization.

1327812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110658 (or 110656 counting only the distinct ones).

The product of its digits is 672, while the sum is 24.

The square root of 1327812 is about 1152.3072506931. The cubic root of 1327812 is about 109.9121060969.

It can be divided in two parts, 132781 and 2, that multiplied together give a palindrome (265562).

The spelling of 1327812 in words is "one million, three hundred twenty-seven thousand, eight hundred twelve".