9997612 has 6 divisors (see below), whose sum is σ = 17495828. Its totient is φ = 4998804.

The previous prime is 9997601. The next prime is 9997613. The reversal of 9997612 is 2167999.

It is not an unprimeable number, because it can be changed into a prime (9997613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1249698 + ... + 1249705.

Almost surely, 2^9997612 is an apocalyptic number.

It is an amenable number.

9997612 is a deficient number, since it is larger than the sum of its proper divisors (7498216).

9997612 is a wasteful number, since it uses less digits than its factorization.

9997612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2499407 (or 2499405 counting only the distinct ones).

The product of its digits is 61236, while the sum is 43.

The square root of 9997612 is about 3161.9000616718. The cubic root of 9997612 is about 215.4263183378.

It can be divided in two parts, 9997 and 612, that added together give a square (10609 = 103²).

The spelling of 9997612 in words is "nine million, nine hundred ninety-seven thousand, six hundred twelve".