9979012 has 6 divisors (see below), whose sum is σ = 17463278. Its totient is φ = 4989504.

The previous prime is 9978989. The next prime is 9979019. The reversal of 9979012 is 2109799.

It can be written as a sum of positive squares in only one way, i.e., 9647236 + 331776 = 3106^2 + 576^2 .

It is a super-2 number, since 2×9979012² = 199161360992288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9979019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1247373 + ... + 1247380.

Almost surely, 2^9979012 is an apocalyptic number.

It is an amenable number.

9979012 is a deficient number, since it is larger than the sum of its proper divisors (7484266).

9979012 is a wasteful number, since it uses less digits than its factorization.

9979012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2494757 (or 2494755 counting only the distinct ones).

The product of its (nonzero) digits is 10206, while the sum is 37.

The square root of 9979012 is about 3158.9574229483. The cubic root of 9979012 is about 215.2926391825.

The spelling of 9979012 in words is "nine million, nine hundred seventy-nine thousand, twelve".