11672911 has 2 divisors, whose sum is σ = 11672912. Its totient is φ = 11672910.

The previous prime is 11672893. The next prime is 11672917. The reversal of 11672911 is 11927611.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11672911 - 2¹¹ = 11670863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11672911.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11672917) 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, 5836455 + 5836456.

It is an arithmetic number, because the mean of its divisors is an integer number (5836456).

Almost surely, 2^11672911 is an apocalyptic number.

11672911 is a deficient number, since it is larger than the sum of its proper divisors (1).

11672911 is an equidigital number, since it uses as much as digits as its factorization.

11672911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 756, while the sum is 28.

The square root of 11672911 is about 3416.5642098459. The cubic root of 11672911 is about 226.8435271426.

The spelling of 11672911 in words is "eleven million, six hundred seventy-two thousand, nine hundred eleven".