11632638 has 8 divisors (see below), whose sum is σ = 23265288. Its totient is φ = 3877544.

The previous prime is 11632637. The next prime is 11632679. The reversal of 11632638 is 83623611.

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

11632638 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11632631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 969381 + ... + 969392.

It is an arithmetic number, because the mean of its divisors is an integer number (2908161).

Almost surely, 2^11632638 is an apocalyptic number.

11632638 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11632638 is a wasteful number, since it uses less digits than its factorization.

11632638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1938778.

The product of its digits is 5184, while the sum is 30.

The square root of 11632638 is about 3410.6653309875. The cubic root of 11632638 is about 226.5823470493.

The spelling of 11632638 in words is "eleven million, six hundred thirty-two thousand, six hundred thirty-eight".