13659707 has 4 divisors (see below), whose sum is σ = 13669920. Its totient is φ = 13649496.

The previous prime is 13659703. The next prime is 13659713. The reversal of 13659707 is 70795631.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 70795631 = 1699 ⋅41669.

It is a cyclic number.

It is not a de Polignac number, because 13659707 - 2² = 13659703 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13659703) 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 in 3 ways as a sum of consecutive naturals, for example, 2732 + ... + 5897.

It is an arithmetic number, because the mean of its divisors is an integer number (3417480).

Almost surely, 2^13659707 is an apocalyptic number.

13659707 is a deficient number, since it is larger than the sum of its proper divisors (10213).

13659707 is an equidigital number, since it uses as much as digits as its factorization.

13659707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10212.

The product of its (nonzero) digits is 39690, while the sum is 38.

The square root of 13659707 is about 3695.9040842533. The cubic root of 13659707 is about 239.0454387443.

The spelling of 13659707 in words is "thirteen million, six hundred fifty-nine thousand, seven hundred seven".