10689005 has 8 divisors (see below), whose sum is σ = 13581432. Its totient is φ = 8048128.

The previous prime is 10688999. The next prime is 10689011. The reversal of 10689005 is 50098601.

It is an interprime number because it is at equal distance from previous prime (10688999) and next prime (10689011).

It can be written as a sum of positive squares in 4 ways, for example, as 4866436 + 5822569 = 2206^2 + 2413^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 10689005 - 2⁶ = 10688941 is a prime.

It is a super-2 number, since 2×10689005² = 228509655780050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 62792 + ... + 62961.

It is an arithmetic number, because the mean of its divisors is an integer number (1697679).

Almost surely, 2^10689005 is an apocalyptic number.

It is an amenable number.

10689005 is a deficient number, since it is larger than the sum of its proper divisors (2892427).

10689005 is a wasteful number, since it uses less digits than its factorization.

10689005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125775.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 10689005 is about 3269.4043800056. The cubic root of 10689005 is about 220.2820418467.

The spelling of 10689005 in words is "ten million, six hundred eighty-nine thousand, five".