12571066 has 8 divisors (see below), whose sum is σ = 19043604. Its totient is φ = 6223200.

The previous prime is 12571061. The next prime is 12571067. The reversal of 12571066 is 66017521.

It can be written as a sum of positive squares in 2 ways, for example, as 8826841 + 3744225 = 2971^2 + 1935^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (12571061) 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, 30915 + ... + 31318.

Almost surely, 2^12571066 is an apocalyptic number.

12571066 is a deficient number, since it is larger than the sum of its proper divisors (6472538).

12571066 is a wasteful number, since it uses less digits than its factorization.

12571066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62336.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 12571066 is about 3545.5699118759. The cubic root of 12571066 is about 232.5184230208.

Adding to 12571066 its reverse (66017521), we get a palindrome (78588587).

The spelling of 12571066 in words is "twelve million, five hundred seventy-one thousand, sixty-six".