11819738 has 16 divisors (see below), whose sum is σ = 20566464. Its totient is φ = 4989600.

The previous prime is 11819719. The next prime is 11819749. The reversal of 11819738 is 83791811.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5363 + ... + 7238.

It is an arithmetic number, because the mean of its divisors is an integer number (1285404).

Almost surely, 2^11819738 is an apocalyptic number.

11819738 is a deficient number, since it is larger than the sum of its proper divisors (8746726).

11819738 is a wasteful number, since it uses less digits than its factorization.

11819738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12677.

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

The square root of 11819738 is about 3437.9845840259. The cubic root of 11819738 is about 227.7906794375.

The spelling of 11819738 in words is "eleven million, eight hundred nineteen thousand, seven hundred thirty-eight".