12667394 has 16 divisors (see below), whose sum is σ = 19797696. Its totient is φ = 6073200.

The previous prime is 12667387. The next prime is 12667427. The reversal of 12667394 is 49376621.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4049 + ... + 6459.

It is an arithmetic number, because the mean of its divisors is an integer number (1237356).

Almost surely, 2^12667394 is an apocalyptic number.

12667394 is a deficient number, since it is larger than the sum of its proper divisors (7130302).

12667394 is a wasteful number, since it uses less digits than its factorization.

12667394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521.

The product of its digits is 54432, while the sum is 38.

The square root of 12667394 is about 3559.1282640557. The cubic root of 12667394 is about 233.1108168914.

The spelling of 12667394 in words is "twelve million, six hundred sixty-seven thousand, three hundred ninety-four".