9996512 has 24 divisors (see below), whose sum is σ = 20214936. Its totient is φ = 4862592.

The previous prime is 9996509. The next prime is 9996517. The reversal of 9996512 is 2156999.

It is a super-2 number, since 2×9996512² = 199860504332288, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9996512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9996517) 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, 3038 + ... + 5405.

It is an arithmetic number, because the mean of its divisors is an integer number (842289).

Almost surely, 2^9996512 is an apocalyptic number.

It is an amenable number.

9996512 is an abundant number, since it is smaller than the sum of its proper divisors (10218424).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9996512 is a wasteful number, since it uses less digits than its factorization.

9996512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8490 (or 8482 counting only the distinct ones).

The product of its digits is 43740, while the sum is 41.

The square root of 9996512 is about 3161.7261108452. The cubic root of 9996512 is about 215.4184171963.

The spelling of 9996512 in words is "nine million, nine hundred ninety-six thousand, five hundred twelve".