12001384 has 16 divisors (see below), whose sum is σ = 22872420. Its totient is φ = 5902080.

The previous prime is 12001361. The next prime is 12001387. The reversal of 12001384 is 48310021.

It can be written as a sum of positive squares in 2 ways, for example, as 8868484 + 3132900 = 2978^2 + 1770^2 .

It is not an unprimeable number, because it can be changed into a prime (12001387) 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, 11809 + ... + 12784.

Almost surely, 2^12001384 is an apocalyptic number.

It is an amenable number.

12001384 is a deficient number, since it is larger than the sum of its proper divisors (10871036).

12001384 is a wasteful number, since it uses less digits than its factorization.

12001384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24660 (or 24656 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 12001384 is about 3464.3013725714. The cubic root of 12001384 is about 228.9516497529.

The spelling of 12001384 in words is "twelve million, one thousand, three hundred eighty-four".