12070305 has 48 divisors (see below), whose sum is σ = 23063040. Its totient is φ = 5802624.

The previous prime is 12070297. The next prime is 12070309. The reversal of 12070305 is 50307021.

It is not a de Polignac number, because 12070305 - 2³ = 12070297 is a prime.

Together with 10992735 it forms an amicable pair .

It is not an unprimeable number, because it can be changed into a prime (12070309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27276 + ... + 27714.

It is an arithmetic number, because the mean of its divisors is an integer number (480480).

Almost surely, 2^12070305 is an apocalyptic number.

12070305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12070305 is a deficient number, since it is larger than the sum of its proper divisors (10992735).

12070305 is a wasteful number, since it uses less digits than its factorization.

12070305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 12070305 is about 3474.2344480475. The cubic root of 12070305 is about 229.3890844848.

Adding to 12070305 its reverse (50307021), we get a palindrome (62377326).

The spelling of 12070305 in words is "twelve million, seventy thousand, three hundred five".