13680089 has 2 divisors, whose sum is σ = 13680090. Its totient is φ = 13680088.

The previous prime is 13680077. The next prime is 13680097. The reversal of 13680089 is 98008631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13564489 + 115600 = 3683^2 + 340^2 .

It is a cyclic number.

It is not a de Polignac number, because 13680089 - 2⁸ = 13679833 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (13686089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6840044 + 6840045.

It is an arithmetic number, because the mean of its divisors is an integer number (6840045).

Almost surely, 2^13680089 is an apocalyptic number.

It is an amenable number.

13680089 is a deficient number, since it is larger than the sum of its proper divisors (1).

13680089 is an equidigital number, since it uses as much as digits as its factorization.

13680089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 13680089 is about 3698.6604331839. The cubic root of 13680089 is about 239.1642749393.

The spelling of 13680089 in words is "thirteen million, six hundred eighty thousand, eighty-nine".