12065918 has 4 divisors (see below), whose sum is σ = 18098880. Its totient is φ = 6032958.

The previous prime is 12065897. The next prime is 12065939. The reversal of 12065918 is 81956021.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (12065897) and next prime (12065939).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3016478 + ... + 3016481.

It is an arithmetic number, because the mean of its divisors is an integer number (4524720).

Almost surely, 2^12065918 is an apocalyptic number.

12065918 is a deficient number, since it is larger than the sum of its proper divisors (6032962).

12065918 is an equidigital number, since it uses as much as digits as its factorization.

12065918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6032961.

The product of its (nonzero) digits is 4320, while the sum is 32.

The square root of 12065918 is about 3473.6030285569. The cubic root of 12065918 is about 229.3612903279.

The spelling of 12065918 in words is "twelve million, sixty-five thousand, nine hundred eighteen".