11672789 has 2 divisors, whose sum is σ = 11672790. Its totient is φ = 11672788.

The previous prime is 11672767. The next prime is 11672831. The reversal of 11672789 is 98727611.

11672789 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11122225 + 550564 = 3335^2 + 742^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11672789 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11672719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5836394 + 5836395.

It is an arithmetic number, because the mean of its divisors is an integer number (5836395).

Almost surely, 2^11672789 is an apocalyptic number.

It is an amenable number.

11672789 is a deficient number, since it is larger than the sum of its proper divisors (1).

11672789 is an equidigital number, since it uses as much as digits as its factorization.

11672789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 42336, while the sum is 41.

The square root of 11672789 is about 3416.5463556053. The cubic root of 11672789 is about 226.8427368511.

The spelling of 11672789 in words is "eleven million, six hundred seventy-two thousand, seven hundred eighty-nine".