12671018 has 8 divisors (see below), whose sum is σ = 20124612. Its totient is φ = 5962816.

The previous prime is 12671003. The next prime is 12671023. The reversal of 12671018 is 81017621.

It can be written as a sum of positive squares in 2 ways, for example, as 12652249 + 18769 = 3557^2 + 137^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 186305 + ... + 186372.

Almost surely, 2^12671018 is an apocalyptic number.

12671018 is a deficient number, since it is larger than the sum of its proper divisors (7453594).

12671018 is a wasteful number, since it uses less digits than its factorization.

12671018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 372696.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 12671018 is about 3559.6373410784. The cubic root of 12671018 is about 233.1330449059.

Adding to 12671018 its reverse (81017621), we get a palindrome (93688639).

The spelling of 12671018 in words is "twelve million, six hundred seventy-one thousand, eighteen".