12073818 has 32 divisors (see below), whose sum is σ = 25159680. Its totient is φ = 3858480.

The previous prime is 12073813. The next prime is 12073823. The reversal of 12073818 is 81837021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12073813) and next prime (12073823).

It is not an unprimeable number, because it can be changed into a prime (12073813) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 25621 + ... + 26087.

It is an arithmetic number, because the mean of its divisors is an integer number (786240).

Almost surely, 2^12073818 is an apocalyptic number.

12073818 is an abundant number, since it is smaller than the sum of its proper divisors (13085862).

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

12073818 is a wasteful number, since it uses less digits than its factorization.

12073818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 12073818 is about 3474.7399902727. The cubic root of 12073818 is about 229.4113364961.

The spelling of 12073818 in words is "twelve million, seventy-three thousand, eight hundred eighteen".