11632665 has 16 divisors (see below), whose sum is σ = 20304576. Its totient is φ = 5640000.

The previous prime is 11632637. The next prime is 11632679. The reversal of 11632665 is 56623611.

It is not a de Polignac number, because 11632665 - 2⁵ = 11632633 is a prime.

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, 35086 + ... + 35415.

It is an arithmetic number, because the mean of its divisors is an integer number (1269036).

Almost surely, 2^11632665 is an apocalyptic number.

11632665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11632665 is a deficient number, since it is larger than the sum of its proper divisors (8671911).

11632665 is a wasteful number, since it uses less digits than its factorization.

11632665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70520.

The product of its digits is 6480, while the sum is 30.

The square root of 11632665 is about 3410.6692891572. The cubic root of 11632665 is about 226.5825223526.

It can be divided in two parts, 1163 and 2665, that added together give a triangular number (3828 = T₈₇).

The spelling of 11632665 in words is "eleven million, six hundred thirty-two thousand, six hundred sixty-five".