13663703 has 2 divisors, whose sum is σ = 13663704. Its totient is φ = 13663702.

The previous prime is 13663697. The next prime is 13663721. The reversal of 13663703 is 30736631.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13663703 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13663753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6831851 + 6831852.

It is an arithmetic number, because the mean of its divisors is an integer number (6831852).

Almost surely, 2^13663703 is an apocalyptic number.

13663703 is a deficient number, since it is larger than the sum of its proper divisors (1).

13663703 is an equidigital number, since it uses as much as digits as its factorization.

13663703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 29.

The square root of 13663703 is about 3696.4446431673. Note that the first 3 decimals coincide. The cubic root of 13663703 is about 239.0687465268.

The spelling of 13663703 in words is "thirteen million, six hundred sixty-three thousand, seven hundred three".