12670667 has 2 divisors, whose sum is σ = 12670668. Its totient is φ = 12670666.

The previous prime is 12670649. The next prime is 12670673. The reversal of 12670667 is 76607621.

12670667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12670667 - 2¹² = 12666571 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12670607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6335333 + 6335334.

It is an arithmetic number, because the mean of its divisors is an integer number (6335334).

Almost surely, 2^12670667 is an apocalyptic number.

12670667 is a deficient number, since it is larger than the sum of its proper divisors (1).

12670667 is an equidigital number, since it uses as much as digits as its factorization.

12670667 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21168, while the sum is 35.

The square root of 12670667 is about 3559.5880379617. The cubic root of 12670667 is about 233.1308922124.

The spelling of 12670667 in words is "twelve million, six hundred seventy thousand, six hundred sixty-seven".