11819783 has 2 divisors, whose sum is σ = 11819784. Its totient is φ = 11819782.

The previous prime is 11819779. The next prime is 11819789. The reversal of 11819783 is 38791811.

11819783 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (38791811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11819783 - 2² = 11819779 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11819789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5909891 + 5909892.

It is an arithmetic number, because the mean of its divisors is an integer number (5909892).

Almost surely, 2^11819783 is an apocalyptic number.

11819783 is a deficient number, since it is larger than the sum of its proper divisors (1).

11819783 is an equidigital number, since it uses as much as digits as its factorization.

11819783 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 11819783 is about 3437.9911285517. The cubic root of 11819783 is about 227.7909685181.

The spelling of 11819783 in words is "eleven million, eight hundred nineteen thousand, seven hundred eighty-three".