16987703 has 2 divisors, whose sum is σ = 16987704. Its totient is φ = 16987702.

The previous prime is 16987679. The next prime is 16987717. The reversal of 16987703 is 30778961.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16987703 - 2⁸ = 16987447 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16987723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8493851 + 8493852.

It is an arithmetic number, because the mean of its divisors is an integer number (8493852).

Almost surely, 2^16987703 is an apocalyptic number.

16987703 is a deficient number, since it is larger than the sum of its proper divisors (1).

16987703 is an equidigital number, since it uses as much as digits as its factorization.

16987703 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 16987703 is about 4121.6141255581. The cubic root of 16987703 is about 257.0661459743.

The spelling of 16987703 in words is "sixteen million, nine hundred eighty-seven thousand, seven hundred three".