18350512 has 20 divisors (see below), whose sum is σ = 36702016. Its totient is φ = 8879040.

The previous prime is 18350503. The next prime is 18350513. The reversal of 18350512 is 21505381.

It is a happy number.

18350512 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (18350513) 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 3 ways as a sum of consecutive naturals, for example, 18003 + ... + 18994.

Almost surely, 2^18350512 is an apocalyptic number.

It is an amenable number.

18350512 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.

18350512 is a wasteful number, since it uses less digits than its factorization.

18350512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37036 (or 37030 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 18350512 is about 4283.7497592647. The cubic root of 18350512 is about 263.7643290135.

Adding to 18350512 its reverse (21505381), we get a palindrome (39855893).

The spelling of 18350512 in words is "eighteen million, three hundred fifty thousand, five hundred twelve".