12570946 has 4 divisors (see below), whose sum is σ = 18856422. Its totient is φ = 6285472.

The previous prime is 12570937. The next prime is 12570947. The reversal of 12570946 is 64907521.

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

It can be written as a sum of positive squares in only one way, i.e., 8323225 + 4247721 = 2885^2 + 2061^2 .

It is not an unprimeable number, because it can be changed into a prime (12570947) 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 as a sum of consecutive naturals, namely, 3142735 + ... + 3142738.

Almost surely, 2^12570946 is an apocalyptic number.

12570946 is a deficient number, since it is larger than the sum of its proper divisors (6285476).

12570946 is an equidigital number, since it uses as much as digits as its factorization.

12570946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6285475.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 12570946 is about 3545.5529893093. The cubic root of 12570946 is about 232.5176831658.

The spelling of 12570946 in words is "twelve million, five hundred seventy thousand, nine hundred forty-six".