12667268 has 6 divisors (see below), whose sum is σ = 22167726. Its totient is φ = 6333632.

The previous prime is 12667267. The next prime is 12667271. The reversal of 12667268 is 86276621.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11303044 + 1364224 = 3362^2 + 1168^2 .

It is not an unprimeable number, because it can be changed into a prime (12667267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1583405 + ... + 1583412.

It is an arithmetic number, because the mean of its divisors is an integer number (3694621).

Almost surely, 2^12667268 is an apocalyptic number.

It is an amenable number.

12667268 is a deficient number, since it is larger than the sum of its proper divisors (9500458).

12667268 is a wasteful number, since it uses less digits than its factorization.

12667268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3166821 (or 3166819 counting only the distinct ones).

The product of its digits is 48384, while the sum is 38.

The square root of 12667268 is about 3559.1105630480. The cubic root of 12667268 is about 233.1100439868.

The spelling of 12667268 in words is "twelve million, six hundred sixty-seven thousand, two hundred sixty-eight".