11183987 has 2 divisors, whose sum is σ = 11183988. Its totient is φ = 11183986.

The previous prime is 11183971. The next prime is 11184023. The reversal of 11183987 is 78938111.

11183987 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11183987 - 2⁴ = 11183971 is a prime.

It is a Chen prime.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 11183987.

It is not a weakly prime, because it can be changed into another prime (11183917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5591993 + 5591994.

It is an arithmetic number, because the mean of its divisors is an integer number (5591994).

Almost surely, 2^11183987 is an apocalyptic number.

11183987 is a deficient number, since it is larger than the sum of its proper divisors (1).

11183987 is an equidigital number, since it uses as much as digits as its factorization.

11183987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 38.

The square root of 11183987 is about 3344.2468509367. The cubic root of 11183987 is about 223.6311091900.

The spelling of 11183987 in words is "eleven million, one hundred eighty-three thousand, nine hundred eighty-seven".