11663597 has 8 divisors (see below), whose sum is σ = 13163040. Its totient is φ = 10237360.

The previous prime is 11663593. The next prime is 11663609. The reversal of 11663597 is 79536611.

11663597 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11663597 - 2² = 11663593 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11663597.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11663593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17963 + ... + 18600.

It is an arithmetic number, because the mean of its divisors is an integer number (1645380).

Almost surely, 2^11663597 is an apocalyptic number.

It is an amenable number.

11663597 is a deficient number, since it is larger than the sum of its proper divisors (1499443).

11663597 is a wasteful number, since it uses less digits than its factorization.

11663597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36603.

The product of its digits is 34020, while the sum is 38.

The square root of 11663597 is about 3415.2008725696. The cubic root of 11663597 is about 226.7831770776.

The spelling of 11663597 in words is "eleven million, six hundred sixty-three thousand, five hundred ninety-seven".