11573983 has 8 divisors (see below), whose sum is σ = 12245120. Its totient is φ = 10909080.

The previous prime is 11573977. The next prime is 11573993. The reversal of 11573983 is 38937511.

It is a happy number.

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 11573983 - 2⁵ = 11573951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11573953) 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, 2566 + ... + 5452.

It is an arithmetic number, because the mean of its divisors is an integer number (1530640).

Almost surely, 2^11573983 is an apocalyptic number.

11573983 is a deficient number, since it is larger than the sum of its proper divisors (671137).

11573983 is a wasteful number, since it uses less digits than its factorization.

11573983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117.

The product of its digits is 22680, while the sum is 37.

The square root of 11573983 is about 3402.0557020719. The cubic root of 11573983 is about 226.2008747366.

The spelling of 11573983 in words is "eleven million, five hundred seventy-three thousand, nine hundred eighty-three".