11986648 has 16 divisors (see below), whose sum is σ = 22551480. Its totient is φ = 5972928.

The previous prime is 11986643. The next prime is 11986661. The reversal of 11986648 is 84668911.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11986643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111 + ... + 4897.

Almost surely, 2^11986648 is an apocalyptic number.

It is an amenable number.

11986648 is a deficient number, since it is larger than the sum of its proper divisors (10564832).

11986648 is a wasteful number, since it uses less digits than its factorization.

11986648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5106 (or 5102 counting only the distinct ones).

The product of its digits is 82944, while the sum is 43.

The square root of 11986648 is about 3462.1738835593. The cubic root of 11986648 is about 228.8579046394.

The spelling of 11986648 in words is "eleven million, nine hundred eighty-six thousand, six hundred forty-eight".