3126667 has 2 divisors, whose sum is σ = 3126668. Its totient is φ = 3126666.

The previous prime is 3126661. The next prime is 3126679. The reversal of 3126667 is 7666213.

It is a weak prime.

It is an emirp because it is prime and its reverse (7666213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3126667 - 2¹⁵ = 3093899 is a prime.

It is not a weakly prime, because it can be changed into another prime (3126661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1563333 + 1563334.

It is an arithmetic number, because the mean of its divisors is an integer number (1563334).

Almost surely, 2^3126667 is an apocalyptic number.

3126667 is a deficient number, since it is larger than the sum of its proper divisors (1).

3126667 is an equidigital number, since it uses as much as digits as its factorization.

3126667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 31.

The square root of 3126667 is about 1768.2383889057. The cubic root of 3126667 is about 146.2268787565.

The spelling of 3126667 in words is "three million, one hundred twenty-six thousand, six hundred sixty-seven".