12192018 has 16 divisors (see below), whose sum is σ = 25043520. Its totient is φ = 3954096.

The previous prime is 12192017. The next prime is 12192029. The reversal of 12192018 is 81029121.

It is not an unprimeable number, because it can be changed into a prime (12192017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27238 + ... + 27681.

It is an arithmetic number, because the mean of its divisors is an integer number (1565220).

Almost surely, 2^12192018 is an apocalyptic number.

12192018 is an abundant number, since it is smaller than the sum of its proper divisors (12851502).

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

12192018 is a wasteful number, since it uses less digits than its factorization.

12192018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54961.

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 12192018 is about 3491.7070323840. The cubic root of 12192018 is about 230.1575354258.

The spelling of 12192018 in words is "twelve million, one hundred ninety-two thousand, eighteen".