11632880 has 40 divisors (see below), whose sum is σ = 30911712. Its totient is φ = 3988224.

The previous prime is 11632861. The next prime is 11632909. The reversal of 11632880 is 8823611.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9827 + ... + 10946.

Almost surely, 2^11632880 is an apocalyptic number.

11632880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11632880 is an abundant number, since it is smaller than the sum of its proper divisors (19278832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11632880 is a wasteful number, since it uses less digits than its factorization.

11632880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20793 (or 20787 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

The square root of 11632880 is about 3410.7008077520. The cubic root of 11632880 is about 226.5839182764.

The spelling of 11632880 in words is "eleven million, six hundred thirty-two thousand, eight hundred eighty".