13327812 has 18 divisors (see below), whose sum is σ = 33689838. Its totient is φ = 4442592.

The previous prime is 13327801. The next prime is 13327823. The reversal of 13327812 is 21872331.

It is an interprime number because it is at equal distance from previous prime (13327801) and next prime (13327823).

It can be written as a sum of positive squares in only one way, i.e., 8156736 + 5171076 = 2856^2 + 2274^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 185073 + ... + 185144.

Almost surely, 2^13327812 is an apocalyptic number.

13327812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13327812 is an abundant number, since it is smaller than the sum of its proper divisors (20362026).

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

13327812 is a wasteful number, since it uses less digits than its factorization.

13327812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370227 (or 370222 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 13327812 is about 3650.7275987123. The cubic root of 13327812 is about 237.0934844577.

The spelling of 13327812 in words is "thirteen million, three hundred twenty-seven thousand, eight hundred twelve".