18813352 has 16 divisors (see below), whose sum is σ = 35429940. Its totient is φ = 9365376.

The previous prime is 18813349. The next prime is 18813359. The reversal of 18813352 is 25331881.

It can be written as a sum of positive squares in 2 ways, for example, as 18369796 + 443556 = 4286^2 + 666^2 .

It is not an unprimeable number, because it can be changed into a prime (18813359) by changing a digit.

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, 3183 + ... + 6910.

Almost surely, 2^18813352 is an apocalyptic number.

It is an amenable number.

18813352 is a deficient number, since it is larger than the sum of its proper divisors (16616588).

18813352 is a wasteful number, since it uses less digits than its factorization.

18813352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10332 (or 10328 counting only the distinct ones).

The product of its digits is 5760, while the sum is 31.

The square root of 18813352 is about 4337.4361090395. The cubic root of 18813352 is about 265.9635128124.

The spelling of 18813352 in words is "eighteen million, eight hundred thirteen thousand, three hundred fifty-two".