12018369 has 8 divisors (see below), whose sum is σ = 17481312. Its totient is φ = 7283840.

The previous prime is 12018353. The next prime is 12018401. The reversal of 12018369 is 96381021.

12018369 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12018369 - 2⁴ = 12018353 is a prime.

It is a super-2 number, since 2×12018369² = 288882386840322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12018319) 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, 182064 + ... + 182129.

It is an arithmetic number, because the mean of its divisors is an integer number (2185164).

Almost surely, 2^12018369 is an apocalyptic number.

It is an amenable number.

12018369 is a deficient number, since it is larger than the sum of its proper divisors (5462943).

12018369 is a wasteful number, since it uses less digits than its factorization.

12018369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364207.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 12018369 is about 3466.7519380538. The cubic root of 12018369 is about 229.0596070433.

The spelling of 12018369 in words is "twelve million, eighteen thousand, three hundred sixty-nine".