11632565 has 16 divisors (see below), whose sum is σ = 16084992. Its totient is φ = 7910784.

The previous prime is 11632529. The next prime is 11632571. The reversal of 11632565 is 56523611.

It is not a de Polignac number, because 11632565 - 2⁶ = 11632501 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3137 + ... + 5753.

It is an arithmetic number, because the mean of its divisors is an integer number (1005312).

Almost surely, 2^11632565 is an apocalyptic number.

It is an amenable number.

11632565 is a deficient number, since it is larger than the sum of its proper divisors (4452427).

11632565 is a wasteful number, since it uses less digits than its factorization.

11632565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2756.

The product of its digits is 5400, while the sum is 29.

The square root of 11632565 is about 3410.6546292464. The cubic root of 11632565 is about 226.5818730798.

The spelling of 11632565 in words is "eleven million, six hundred thirty-two thousand, five hundred sixty-five".