11965388 has 12 divisors (see below), whose sum is σ = 21040152. Its totient is φ = 5953920.

The previous prime is 11965379. The next prime is 11965403. The reversal of 11965388 is 88356911.

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 3 ways as a sum of consecutive naturals, for example, 6245 + ... + 7932.

It is an arithmetic number, because the mean of its divisors is an integer number (1753346).

Almost surely, 2^11965388 is an apocalyptic number.

It is an amenable number.

11965388 is a deficient number, since it is larger than the sum of its proper divisors (9074764).

11965388 is a wasteful number, since it uses less digits than its factorization.

11965388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14392 (or 14390 counting only the distinct ones).

The product of its digits is 51840, while the sum is 41.

The square root of 11965388 is about 3459.1021956571. The cubic root of 11965388 is about 228.7225207120.

The spelling of 11965388 in words is "eleven million, nine hundred sixty-five thousand, three hundred eighty-eight".