12667996 has 24 divisors (see below), whose sum is σ = 24385536. Its totient is φ = 5710320.

The previous prime is 12667987. The next prime is 12667997. The reversal of 12667996 is 69976621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12667997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4455 + ... + 6721.

It is an arithmetic number, because the mean of its divisors is an integer number (1016064).

Almost surely, 2^12667996 is an apocalyptic number.

It is an amenable number.

12667996 is a deficient number, since it is larger than the sum of its proper divisors (11717540).

12667996 is a wasteful number, since it uses less digits than its factorization.

12667996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409 (or 2407 counting only the distinct ones).

The product of its digits is 244944, while the sum is 46.

The square root of 12667996 is about 3559.2128343217. The cubic root of 12667996 is about 233.1145095870.

The spelling of 12667996 in words is "twelve million, six hundred sixty-seven thousand, nine hundred ninety-six".