11689607 has 4 divisors (see below), whose sum is σ = 11703120. Its totient is φ = 11676096.

The previous prime is 11689597. The next prime is 11689609. The reversal of 11689607 is 70698611.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11689607 - 2¹⁶ = 11624071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11689609) 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, 5363 + ... + 7220.

It is an arithmetic number, because the mean of its divisors is an integer number (2925780).

Almost surely, 2^11689607 is an apocalyptic number.

11689607 is a deficient number, since it is larger than the sum of its proper divisors (13513).

11689607 is an equidigital number, since it uses as much as digits as its factorization.

11689607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13512.

The product of its (nonzero) digits is 18144, while the sum is 38.

The square root of 11689607 is about 3419.0067271066. The cubic root of 11689607 is about 226.9516285762.

The spelling of 11689607 in words is "eleven million, six hundred eighty-nine thousand, six hundred seven".