16712489 has 2 divisors, whose sum is σ = 16712490. Its totient is φ = 16712488.

The previous prime is 16712483. The next prime is 16712537. The reversal of 16712489 is 98421761.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16362025 + 350464 = 4045^2 + 592^2 .

It is a cyclic number.

It is not a de Polignac number, because 16712489 - 2⁴ = 16712473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (16712483) 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, 8356244 + 8356245.

It is an arithmetic number, because the mean of its divisors is an integer number (8356245).

Almost surely, 2^16712489 is an apocalyptic number.

It is an amenable number.

16712489 is a deficient number, since it is larger than the sum of its proper divisors (1).

16712489 is an equidigital number, since it uses as much as digits as its factorization.

16712489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 38.

The square root of 16712489 is about 4088.0911193367. The cubic root of 16712489 is about 255.6703571653.

The spelling of 16712489 in words is "sixteen million, seven hundred twelve thousand, four hundred eighty-nine".