11989612 has 12 divisors (see below), whose sum is σ = 21186256. Its totient is φ = 5936400.

The previous prime is 11989597. The next prime is 11989657. The reversal of 11989612 is 21698911.

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, 14139 + ... + 14962.

Almost surely, 2^11989612 is an apocalyptic number.

It is an amenable number.

11989612 is a deficient number, since it is larger than the sum of its proper divisors (9196644).

11989612 is a wasteful number, since it uses less digits than its factorization.

11989612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29208 (or 29206 counting only the distinct ones).

The product of its digits is 7776, while the sum is 37.

The square root of 11989612 is about 3462.6019118576. The cubic root of 11989612 is about 228.8767667079.

The spelling of 11989612 in words is "eleven million, nine hundred eighty-nine thousand, six hundred twelve".