13243804 has 12 divisors (see below), whose sum is σ = 26487664. Its totient is φ = 5675904.

The previous prime is 13243793. The next prime is 13243819. The reversal of 13243804 is 40834231.

13243804 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 236469 + ... + 236524.

Almost surely, 2^13243804 is an apocalyptic number.

13243804 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13243804 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13243804 is a wasteful number, since it uses less digits than its factorization.

13243804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473004 (or 473002 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 13243804 is about 3639.2037590660. The cubic root of 13243804 is about 236.5942841090.

The spelling of 13243804 in words is "thirteen million, two hundred forty-three thousand, eight hundred four".