11966938 has 8 divisors (see below), whose sum is σ = 18014688. Its totient is φ = 5962044.

The previous prime is 11966921. The next prime is 11966951. The reversal of 11966938 is 83966911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 11966894 and 11966903.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10006 + ... + 11137.

It is an arithmetic number, because the mean of its divisors is an integer number (2251836).

Almost surely, 2^11966938 is an apocalyptic number.

11966938 is a deficient number, since it is larger than the sum of its proper divisors (6047750).

11966938 is a wasteful number, since it uses less digits than its factorization.

11966938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21428.

The product of its digits is 69984, while the sum is 43.

The square root of 11966938 is about 3459.3262349770. The cubic root of 11966938 is about 228.7323965472.

The spelling of 11966938 in words is "eleven million, nine hundred sixty-six thousand, nine hundred thirty-eight".