11489983 has 2 divisors, whose sum is σ = 11489984. Its totient is φ = 11489982.

The previous prime is 11489971. The next prime is 11489993. The reversal of 11489983 is 38998411.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11489983 - 2¹⁷ = 11358911 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11489993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5744991 + 5744992.

It is an arithmetic number, because the mean of its divisors is an integer number (5744992).

Almost surely, 2^11489983 is an apocalyptic number.

11489983 is a deficient number, since it is larger than the sum of its proper divisors (1).

11489983 is an equidigital number, since it uses as much as digits as its factorization.

11489983 is an evil number, because the sum of its binary digits is even.

The product of its digits is 62208, while the sum is 43.

The square root of 11489983 is about 3389.6877437310. The cubic root of 11489983 is about 225.6523160427.

The spelling of 11489983 in words is "eleven million, four hundred eighty-nine thousand, nine hundred eighty-three".