11872667 has 2 divisors, whose sum is σ = 11872668. Its totient is φ = 11872666.

The previous prime is 11872649. The next prime is 11872697. The reversal of 11872667 is 76627811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11872667 - 2⁶ = 11872603 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11872667.

It is not a weakly prime, because it can be changed into another prime (11872697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5936333 + 5936334.

It is an arithmetic number, because the mean of its divisors is an integer number (5936334).

Almost surely, 2^11872667 is an apocalyptic number.

11872667 is a deficient number, since it is larger than the sum of its proper divisors (1).

11872667 is an equidigital number, since it uses as much as digits as its factorization.

11872667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28224, while the sum is 38.

The square root of 11872667 is about 3445.6736641766. The cubic root of 11872667 is about 228.1301900865.

The spelling of 11872667 in words is "eleven million, eight hundred seventy-two thousand, six hundred sixty-seven".