13659667 has 8 divisors (see below), whose sum is σ = 16149600. Its totient is φ = 11304384.

The previous prime is 13659661. The next prime is 13659703. The reversal of 13659667 is 76695631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13659667 - 2¹¹ = 13657619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13659661) 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 7 ways as a sum of consecutive naturals, for example, 33442 + ... + 33847.

It is an arithmetic number, because the mean of its divisors is an integer number (2018700).

Almost surely, 2^13659667 is an apocalyptic number.

13659667 is a deficient number, since it is larger than the sum of its proper divisors (2489933).

13659667 is an equidigital number, since it uses as much as digits as its factorization.

13659667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67325.

The product of its digits is 204120, while the sum is 43.

The square root of 13659667 is about 3695.8986728535. The cubic root of 13659667 is about 239.0452054101.

The spelling of 13659667 in words is "thirteen million, six hundred fifty-nine thousand, six hundred sixty-seven".