11579649 has 16 divisors (see below), whose sum is σ = 16198272. Its totient is φ = 7344128.

The previous prime is 11579641. The next prime is 11579663. The reversal of 11579649 is 94697511.

It is a cyclic number.

It is not a de Polignac number, because 11579649 - 2³ = 11579641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11579649.

It is not an unprimeable number, because it can be changed into a prime (11579641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17407 + ... + 18059.

It is an arithmetic number, because the mean of its divisors is an integer number (1012392).

Almost surely, 2^11579649 is an apocalyptic number.

It is an amenable number.

11579649 is a deficient number, since it is larger than the sum of its proper divisors (4618623).

11579649 is a wasteful number, since it uses less digits than its factorization.

11579649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 936.

The product of its digits is 68040, while the sum is 42.

The square root of 11579649 is about 3402.8883319909. Note that the first 3 decimals coincide. The cubic root of 11579649 is about 226.2377806451.

The spelling of 11579649 in words is "eleven million, five hundred seventy-nine thousand, six hundred forty-nine".