18097612 has 12 divisors (see below), whose sum is σ = 34107136. Its totient is φ = 8352720.

The previous prime is 18097609. The next prime is 18097613. The reversal of 18097612 is 21679081.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (18097613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173964 + ... + 174067.

Almost surely, 2^18097612 is an apocalyptic number.

It is an amenable number.

18097612 is a deficient number, since it is larger than the sum of its proper divisors (16009524).

18097612 is a wasteful number, since it uses less digits than its factorization.

18097612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348048 (or 348046 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 18097612 is about 4254.1288179838. The cubic root of 18097612 is about 262.5470186373.

It can be divided in two parts, 180976 and 12, that multiplied together give a palindrome (2171712).

The spelling of 18097612 in words is "eighteen million, ninety-seven thousand, six hundred twelve".