11385689 has 12 divisors (see below), whose sum is σ = 13304484. Its totient is φ = 9715104.

The previous prime is 11385623. The next prime is 11385739. The reversal of 11385689 is 98658311.

It can be written as a sum of positive squares in 2 ways, for example, as 6210064 + 5175625 = 2492^2 + 2275^2 .

It is not a de Polignac number, because 11385689 - 2⁸ = 11385433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11385889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15167 + ... + 15899.

It is an arithmetic number, because the mean of its divisors is an integer number (1108707).

Almost surely, 2^11385689 is an apocalyptic number.

It is an amenable number.

11385689 is a deficient number, since it is larger than the sum of its proper divisors (1918795).

11385689 is an equidigital number, since it uses as much as digits as its factorization.

11385689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1064 (or 1057 counting only the distinct ones).

The product of its digits is 51840, while the sum is 41.

The square root of 11385689 is about 3374.2686615028. The cubic root of 11385689 is about 224.9674948928.

The spelling of 11385689 in words is "eleven million, three hundred eighty-five thousand, six hundred eighty-nine".