11979594 has 48 divisors (see below), whose sum is σ = 29989440. Its totient is φ = 3415680.

The previous prime is 11979593. The next prime is 11979599. The reversal of 11979594 is 49597911.

It is not an unprimeable number, because it can be changed into a prime (11979593) 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 23 ways as a sum of consecutive naturals, for example, 1587 + ... + 5145.

It is an arithmetic number, because the mean of its divisors is an integer number (624780).

Almost surely, 2^11979594 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11979594, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14994720).

11979594 is an abundant number, since it is smaller than the sum of its proper divisors (18009846).

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

11979594 is a wasteful number, since it uses less digits than its factorization.

11979594 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3595 (or 3592 counting only the distinct ones).

The product of its digits is 102060, while the sum is 45.

The square root of 11979594 is about 3461.1550095308. The cubic root of 11979594 is about 228.8130024438.

The spelling of 11979594 in words is "eleven million, nine hundred seventy-nine thousand, five hundred ninety-four".