11828638 has 8 divisors (see below), whose sum is σ = 17759088. Its totient is φ = 5908944.

The previous prime is 11828633. The next prime is 11828669. The reversal of 11828638 is 83682811.

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

It is a junction number, because it is equal to n+sod(n) for n = 11828597 and 11828606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11828633) 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, 1170 + ... + 5002.

It is an arithmetic number, because the mean of its divisors is an integer number (2219886).

Almost surely, 2^11828638 is an apocalyptic number.

11828638 is a deficient number, since it is larger than the sum of its proper divisors (5930450).

11828638 is a wasteful number, since it uses less digits than its factorization.

11828638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5378.

The product of its digits is 18432, while the sum is 37.

The square root of 11828638 is about 3439.2787034493. The cubic root of 11828638 is about 227.8478388662.

The spelling of 11828638 in words is "eleven million, eight hundred twenty-eight thousand, six hundred thirty-eight".