11676565 has 8 divisors (see below), whose sum is σ = 14037048. Its totient is φ = 9324480.

The previous prime is 11676563. The next prime is 11676593. The reversal of 11676565 is 56567611.

11676565 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 4289041 + 7387524 = 2071^2 + 2718^2 .

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

It is not a de Polignac number, because 11676565 - 2¹ = 11676563 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 (11676563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1539 + ... + 5071.

It is an arithmetic number, because the mean of its divisors is an integer number (1754631).

Almost surely, 2^11676565 is an apocalyptic number.

It is an amenable number.

11676565 is a deficient number, since it is larger than the sum of its proper divisors (2360483).

11676565 is an equidigital number, since it uses as much as digits as its factorization.

11676565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4199.

The product of its digits is 37800, while the sum is 37.

The square root of 11676565 is about 3417.0989157471. The cubic root of 11676565 is about 226.8671944687.

Subtracting from 11676565 its sum of digits (37), we obtain a triangular number (11676528 = T₄₈₃₂).

The spelling of 11676565 in words is "eleven million, six hundred seventy-six thousand, five hundred sixty-five".