16813204 has 24 divisors (see below), whose sum is σ = 31487400. Its totient is φ = 7827456.

The previous prime is 16813201. The next prime is 16813211. The reversal of 16813204 is 40231861.

It can be written as a sum of positive squares in 4 ways, for example, as 8122500 + 8690704 = 2850^2 + 2948^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16813201) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5322 + ... + 7870.

It is an arithmetic number, because the mean of its divisors is an integer number (1311975).

Almost surely, 2^16813204 is an apocalyptic number.

It is an amenable number.

16813204 is a deficient number, since it is larger than the sum of its proper divisors (14674196).

16813204 is a wasteful number, since it uses less digits than its factorization.

16813204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667 (or 2665 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 16813204 is about 4100.3907130906. The cubic root of 16813204 is about 256.1829137094.

The spelling of 16813204 in words is "sixteen million, eight hundred thirteen thousand, two hundred four".