9987412 has 12 divisors (see below), whose sum is σ = 17567200. Its totient is φ = 4968216.

The previous prime is 9987403. The next prime is 9987413. The reversal of 9987412 is 2147899.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9987413) 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, 5478 + ... + 7069.

Almost surely, 2^9987412 is an apocalyptic number.

It is an amenable number.

9987412 is a deficient number, since it is larger than the sum of its proper divisors (7579788).

9987412 is a wasteful number, since it uses less digits than its factorization.

9987412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12750 (or 12748 counting only the distinct ones).

The product of its digits is 36288, while the sum is 40.

The square root of 9987412 is about 3160.2866958553. The cubic root of 9987412 is about 215.3530309652.

The spelling of 9987412 in words is "nine million, nine hundred eighty-seven thousand, four hundred twelve".