18698112 has 48 divisors (see below), whose sum is σ = 53809080. Its totient is φ = 6232320.

The previous prime is 18698107. The next prime is 18698131. The reversal of 18698112 is 21189681.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

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 5 ways as a sum of consecutive naturals, for example, 6964 + ... + 9267.

Almost surely, 2^18698112 is an apocalyptic number.

18698112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18698112 is an abundant number, since it is smaller than the sum of its proper divisors (35110968).

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

18698112 is a wasteful number, since it uses less digits than its factorization.

18698112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16251 (or 16236 counting only the distinct ones).

The product of its digits is 6912, while the sum is 36.

The square root of 18698112 is about 4324.1313578567. The cubic root of 18698112 is about 265.4193526532.

The spelling of 18698112 in words is "eighteen million, six hundred ninety-eight thousand, one hundred twelve".