12671267 has 16 divisors (see below), whose sum is σ = 14868672. Its totient is φ = 10575360.

The previous prime is 12671249. The next prime is 12671287. The reversal of 12671267 is 76217621.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12671267 is a prime.

It is a super-2 number, since 2×12671267² = 321122014770578, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12671287) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69917 + ... + 70097.

It is an arithmetic number, because the mean of its divisors is an integer number (929292).

Almost surely, 2^12671267 is an apocalyptic number.

12671267 is a deficient number, since it is larger than the sum of its proper divisors (2197405).

12671267 is a wasteful number, since it uses less digits than its factorization.

12671267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398.

The product of its digits is 7056, while the sum is 32.

The square root of 12671267 is about 3559.6723163797. The cubic root of 12671267 is about 233.1345720062.

Adding to 12671267 its reverse (76217621), we get a palindrome (88888888).

The spelling of 12671267 in words is "twelve million, six hundred seventy-one thousand, two hundred sixty-seven".