13204812 has 18 divisors (see below), whose sum is σ = 30840628. Its totient is φ = 4397408.

The previous prime is 13204811. The next prime is 13204823. The reversal of 13204812 is 21840231.

It is not an unprimeable number, because it can be changed into a prime (13204811) by changing a digit.

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, 12064 + ... + 13112.

Almost surely, 2^13204812 is an apocalyptic number.

13204812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13204812 is an abundant number, since it is smaller than the sum of its proper divisors (17635816).

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

13204812 is an equidigital number, since it uses as much as digits as its factorization.

13204812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2105 (or 1054 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 13204812 is about 3633.8425942795. The cubic root of 13204812 is about 236.3618646631.

The spelling of 13204812 in words is "thirteen million, two hundred four thousand, eight hundred twelve".