12051305 has 16 divisors (see below), whose sum is σ = 16867200. Its totient is φ = 8262576.

The previous prime is 12051293. The next prime is 12051323. The reversal of 12051305 is 50315021.

It is not a de Polignac number, because 12051305 - 2¹⁰ = 12050281 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1799 + ... + 5228.

It is an arithmetic number, because the mean of its divisors is an integer number (1054200).

Almost surely, 2^12051305 is an apocalyptic number.

It is an amenable number.

12051305 is a deficient number, since it is larger than the sum of its proper divisors (4815895).

12051305 is an frugal number, since it uses more digits than its factorization.

12051305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7053 (or 7039 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 17.

The square root of 12051305 is about 3471.4989557826. The cubic root of 12051305 is about 229.2686599810.

Adding to 12051305 its reverse (50315021), we get a palindrome (62366326).

The spelling of 12051305 in words is "twelve million, fifty-one thousand, three hundred five".