12671518 has 16 divisors (see below), whose sum is σ = 20160000. Its totient is φ = 5956632.

The previous prime is 12671479. The next prime is 12671531. The reversal of 12671518 is 81517621.

It is a self number, because there is not a number n which added to its sum of digits gives 12671518.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 4083 + ... + 6481.

It is an arithmetic number, because the mean of its divisors is an integer number (1260000).

Almost surely, 2^12671518 is an apocalyptic number.

12671518 is a deficient number, since it is larger than the sum of its proper divisors (7488482).

12671518 is a wasteful number, since it uses less digits than its factorization.

12671518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2559.

The product of its digits is 3360, while the sum is 31.

The square root of 12671518 is about 3559.7075722593. The cubic root of 12671518 is about 233.1361113522.

The spelling of 12671518 in words is "twelve million, six hundred seventy-one thousand, five hundred eighteen".