11129983 has 4 divisors (see below), whose sum is σ = 11401488. Its totient is φ = 10858480.

The previous prime is 11129981. The next prime is 11130001. The reversal of 11129983 is 38992111.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11129983 - 2¹ = 11129981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11129981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 135691 + ... + 135772.

It is an arithmetic number, because the mean of its divisors is an integer number (2850372).

Almost surely, 2^11129983 is an apocalyptic number.

11129983 is a deficient number, since it is larger than the sum of its proper divisors (271505).

11129983 is an equidigital number, since it uses as much as digits as its factorization.

11129983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271504.

The product of its digits is 3888, while the sum is 34.

The square root of 11129983 is about 3336.1629156862. The cubic root of 11129983 is about 223.2705798788.

The spelling of 11129983 in words is "eleven million, one hundred twenty-nine thousand, nine hundred eighty-three".