11639606 has 16 divisors (see below), whose sum is σ = 19118160. Its totient is φ = 5270880.

The previous prime is 11639603. The next prime is 11639659. The reversal of 11639606 is 60693611.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11639603) 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 7 ways as a sum of consecutive naturals, for example, 6140 + ... + 7808.

It is an arithmetic number, because the mean of its divisors is an integer number (1194885).

Almost surely, 2^11639606 is an apocalyptic number.

11639606 is a deficient number, since it is larger than the sum of its proper divisors (7478554).

11639606 is a wasteful number, since it uses less digits than its factorization.

11639606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1999.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 11639606 is about 3411.6866796352. The cubic root of 11639606 is about 226.6275792846.

The spelling of 11639606 in words is "eleven million, six hundred thirty-nine thousand, six hundred six".