11993617 has 8 divisors (see below), whose sum is σ = 13060800. Its totient is φ = 10970064.

The previous prime is 11993593. The next prime is 11993659. The reversal of 11993617 is 71639911.

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 11993617 - 2¹⁵ = 11960849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11993677) 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, 10333 + ... + 11434.

It is an arithmetic number, because the mean of its divisors is an integer number (1632600).

Almost surely, 2^11993617 is an apocalyptic number.

It is an amenable number.

11993617 is a deficient number, since it is larger than the sum of its proper divisors (1067183).

11993617 is a wasteful number, since it uses less digits than its factorization.

11993617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21815.

The product of its digits is 10206, while the sum is 37.

The square root of 11993617 is about 3463.1801858985. The cubic root of 11993617 is about 228.9022484723.

The spelling of 11993617 in words is "eleven million, nine hundred ninety-three thousand, six hundred seventeen".