9990712 has 16 divisors (see below), whose sum is σ = 19086840. Its totient is φ = 4900896.

The previous prime is 9990689. The next prime is 9990727. The reversal of 9990712 is 2170999.

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, 11358 + ... + 12205.

Almost surely, 2^9990712 is an apocalyptic number.

It is an amenable number.

9990712 is a deficient number, since it is larger than the sum of its proper divisors (9096128).

9990712 is a wasteful number, since it uses less digits than its factorization.

9990712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23622 (or 23618 counting only the distinct ones).

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

The square root of 9990712 is about 3160.8087572645. The cubic root of 9990712 is about 215.3767470438.

The spelling of 9990712 in words is "nine million, nine hundred ninety thousand, seven hundred twelve".