11638606 has 8 divisors (see below), whose sum is σ = 19951920. Its totient is φ = 4987968.

The previous prime is 11638603. The next prime is 11638631. The reversal of 11638606 is 60683611.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11638603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 415651 + ... + 415678.

It is an arithmetic number, because the mean of its divisors is an integer number (2493990).

Almost surely, 2^11638606 is an apocalyptic number.

11638606 is a deficient number, since it is larger than the sum of its proper divisors (8313314).

11638606 is an equidigital number, since it uses as much as digits as its factorization.

11638606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 831338.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 11638606 is about 3411.5401214114. The cubic root of 11638606 is about 226.6210889713.

The spelling of 11638606 in words is "eleven million, six hundred thirty-eight thousand, six hundred six".