9961012 has 12 divisors (see below), whose sum is σ = 17505796. Its totient is φ = 4959360.

The previous prime is 9961009. The next prime is 9961033. The reversal of 9961012 is 2101699.

It can be written as a sum of positive squares in 2 ways, for example, as 7420176 + 2540836 = 2724^2 + 1594^2 .

It is a congruent number.

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, 4203 + ... + 6130.

Almost surely, 2^9961012 is an apocalyptic number.

It is an amenable number.

9961012 is a deficient number, since it is larger than the sum of its proper divisors (7544784).

9961012 is a wasteful number, since it uses less digits than its factorization.

9961012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10578 (or 10576 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 28.

The square root of 9961012 is about 3156.1070957748. The cubic root of 9961012 is about 215.1631140052.

The spelling of 9961012 in words is "nine million, nine hundred sixty-one thousand, twelve".