12785018 has 8 divisors (see below), whose sum is σ = 19623648. Its totient is φ = 6243804.

The previous prime is 12785011. The next prime is 12785021. The reversal of 12785018 is 81058721.

It is a happy number.

12785018 is digitally balanced in base 2, because in such base 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 an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12785011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74246 + ... + 74417.

It is an arithmetic number, because the mean of its divisors is an integer number (2452956).

Almost surely, 2^12785018 is an apocalyptic number.

12785018 is a deficient number, since it is larger than the sum of its proper divisors (6838630).

12785018 is a wasteful number, since it uses less digits than its factorization.

12785018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148708.

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 12785018 is about 3575.6143528071. The cubic root of 12785018 is about 233.8301175222.

The spelling of 12785018 in words is "twelve million, seven hundred eighty-five thousand, eighteen".