11318983 has 4 divisors (see below), whose sum is σ = 12189688. Its totient is φ = 10448280.

The previous prime is 11318981. The next prime is 11318987. The reversal of 11318983 is 38981311.

It is a happy number.

11318983 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 11318983 - 2¹ = 11318981 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 (11318981) 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, 435333 + ... + 435358.

It is an arithmetic number, because the mean of its divisors is an integer number (3047422).

Almost surely, 2^11318983 is an apocalyptic number.

11318983 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

11318983 is a deficient number, since it is larger than the sum of its proper divisors (870705).

11318983 is an equidigital number, since it uses as much as digits as its factorization.

11318983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870704.

The product of its digits is 5184, while the sum is 34.

The square root of 11318983 is about 3364.3696289201. The cubic root of 11318983 is about 224.5272906938.

The spelling of 11318983 in words is "eleven million, three hundred eighteen thousand, nine hundred eighty-three".