11697938 has 32 divisors (see below), whose sum is σ = 22166784. Its totient is φ = 4511232.

The previous prime is 11697929. The next prime is 11697949. The reversal of 11697938 is 83979611.

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 15 ways as a sum of consecutive naturals, for example, 4406 + ... + 6542.

It is an arithmetic number, because the mean of its divisors is an integer number (692712).

Almost surely, 2^11697938 is an apocalyptic number.

11697938 is a deficient number, since it is larger than the sum of its proper divisors (10468846).

11697938 is a wasteful number, since it uses less digits than its factorization.

11697938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2186.

The product of its digits is 81648, while the sum is 44.

The square root of 11697938 is about 3420.2248464100. The cubic root of 11697938 is about 227.0055307314.

The spelling of 11697938 in words is "eleven million, six hundred ninety-seven thousand, nine hundred thirty-eight".