9940712 has 16 divisors (see below), whose sum is σ = 18722340. Its totient is φ = 4948096.

The previous prime is 9940709. The next prime is 9940717. The reversal of 9940712 is 2170499.

It can be written as a sum of positive squares in 2 ways, for example, as 9523396 + 417316 = 3086^2 + 646^2 .

It is not an unprimeable number, because it can be changed into a prime (9940717) 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, 803 + ... + 4530.

Almost surely, 2^9940712 is an apocalyptic number.

It is an amenable number.

9940712 is a deficient number, since it is larger than the sum of its proper divisors (8781628).

9940712 is a wasteful number, since it uses less digits than its factorization.

9940712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5572 (or 5568 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 9940712 is about 3152.8894684083. The cubic root of 9940712 is about 215.0168510319.

The spelling of 9940712 in words is "nine million, nine hundred forty thousand, seven hundred twelve".