11680489 has 2 divisors, whose sum is σ = 11680490. Its totient is φ = 11680488.

The previous prime is 11680457. The next prime is 11680519. The reversal of 11680489 is 98408611.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7333264 + 4347225 = 2708^2 + 2085^2 .

It is a cyclic number.

It is not a de Polignac number, because 11680489 - 2⁵ = 11680457 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11680189) 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, 5840244 + 5840245.

It is an arithmetic number, because the mean of its divisors is an integer number (5840245).

Almost surely, 2^11680489 is an apocalyptic number.

It is an amenable number.

11680489 is a deficient number, since it is larger than the sum of its proper divisors (1).

11680489 is an equidigital number, since it uses as much as digits as its factorization.

11680489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13824, while the sum is 37.

The square root of 11680489 is about 3417.6730387795. The cubic root of 11680489 is about 226.8926051144.

The spelling of 11680489 in words is "eleven million, six hundred eighty thousand, four hundred eighty-nine".