3012305 has 4 divisors (see below), whose sum is σ = 3614772. Its totient is φ = 2409840.

The previous prime is 3012283. The next prime is 3012323. The reversal of 3012305 is 5032103.

3012305 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.

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

It can be written as a sum of positive squares in 2 ways, for example, as 528529 + 2483776 = 727^2 + 1576^2 .

It is not a de Polignac number, because 3012305 - 2⁸ = 3012049 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3012305.

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, 301226 + ... + 301235.

It is an arithmetic number, because the mean of its divisors is an integer number (903693).

Almost surely, 2^3012305 is an apocalyptic number.

It is an amenable number.

3012305 is a deficient number, since it is larger than the sum of its proper divisors (602467).

3012305 is an equidigital number, since it uses as much as digits as its factorization.

3012305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 602466.

The product of its (nonzero) digits is 90, while the sum is 14.

The square root of 3012305 is about 1735.5993201197. The cubic root of 3012305 is about 144.4218756104.

Adding to 3012305 its reverse (5032103), we get a palindrome (8044408).

The spelling of 3012305 in words is "three million, twelve thousand, three hundred five".