9956697 has 12 divisors (see below), whose sum is σ = 13458480. Its totient is φ = 6547552.

The previous prime is 9956641. The next prime is 9956699. The reversal of 9956697 is 7966599.

It is not a de Polignac number, because 9956697 - 2¹⁴ = 9940313 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (9956699) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23554 + ... + 23972.

It is an arithmetic number, because the mean of its divisors is an integer number (1121540).

Almost surely, 2^9956697 is an apocalyptic number.

It is an amenable number.

9956697 is a deficient number, since it is larger than the sum of its proper divisors (3501783).

9956697 is an equidigital number, since it uses as much as digits as its factorization.

9956697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 600 (or 511 counting only the distinct ones).

The product of its digits is 918540, while the sum is 51.

The square root of 9956697 is about 3155.4234264200. The cubic root of 9956697 is about 215.1320407592.

The spelling of 9956697 in words is "nine million, nine hundred fifty-six thousand, six hundred ninety-seven".