12018395 has 4 divisors (see below), whose sum is σ = 14422080. Its totient is φ = 9614712.

The previous prime is 12018353. The next prime is 12018401. The reversal of 12018395 is 59381021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 59381021 = 7 ⋅8483003.

It is a cyclic number.

It is not a de Polignac number, because 12018395 - 2¹⁰ = 12017371 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1201835 + ... + 1201844.

It is an arithmetic number, because the mean of its divisors is an integer number (3605520).

Almost surely, 2^12018395 is an apocalyptic number.

12018395 is a deficient number, since it is larger than the sum of its proper divisors (2403685).

12018395 is an equidigital number, since it uses as much as digits as its factorization.

12018395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2403684.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 12018395 is about 3466.7556879596. The cubic root of 12018395 is about 229.0597722223.

The spelling of 12018395 in words is "twelve million, eighteen thousand, three hundred ninety-five".