12671066 has 4 divisors (see below), whose sum is σ = 19006602. Its totient is φ = 6335532.

The previous prime is 12671041. The next prime is 12671089. The reversal of 12671066 is 66017621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 66017621 = 2777 ⋅23773.

It can be written as a sum of positive squares in only one way, i.e., 11055625 + 1615441 = 3325^2 + 1271^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3167765 + ... + 3167768.

Almost surely, 2^12671066 is an apocalyptic number.

12671066 is a deficient number, since it is larger than the sum of its proper divisors (6335536).

12671066 is an equidigital number, since it uses as much as digits as its factorization.

12671066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6335535.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 12671066 is about 3559.6440833319. The cubic root of 12671066 is about 233.1333392882.

Adding to 12671066 its reverse (66017621), we get a palindrome (78688687).

The spelling of 12671066 in words is "twelve million, six hundred seventy-one thousand, sixty-six".