13701663 has 16 divisors (see below), whose sum is σ = 20355840. Its totient is φ = 9108792.

The previous prime is 13701619. The next prime is 13701673. The reversal of 13701663 is 36610731.

It is not a de Polignac number, because 13701663 - 2⁶ = 13701599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13701673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18070 + ... + 18812.

It is an arithmetic number, because the mean of its divisors is an integer number (1272240).

Almost surely, 2^13701663 is an apocalyptic number.

13701663 is a deficient number, since it is larger than the sum of its proper divisors (6654177).

13701663 is an equidigital number, since it uses as much as digits as its factorization.

13701663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435 (or 1429 counting only the distinct ones).

The product of its (nonzero) digits is 2268, while the sum is 27.

The square root of 13701663 is about 3701.5757455441. The cubic root of 13701663 is about 239.2899325058.

The spelling of 13701663 in words is "thirteen million, seven hundred one thousand, six hundred sixty-three".