9997135 has 16 divisors (see below), whose sum is σ = 12902400. Its totient is φ = 7412256.

The previous prime is 9997133. The next prime is 9997177. The reversal of 9997135 is 5317999.

9997135 = 438² + 439² + ... + 484².

9997135 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 9997135 - 2¹ = 9997133 is a prime.

9997135 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9997091 and 9997100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9997133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3346 + ... + 5584.

It is an arithmetic number, because the mean of its divisors is an integer number (806400).

Almost surely, 2^9997135 is an apocalyptic number.

9997135 is a gapful number since it is divisible by the number (95) formed by its first and last digit.

9997135 is a deficient number, since it is larger than the sum of its proper divisors (2905265).

9997135 is a wasteful number, since it uses less digits than its factorization.

9997135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2310.

The product of its digits is 76545, while the sum is 43.

The square root of 9997135 is about 3161.8246314431. The cubic root of 9997135 is about 215.4228921867.

The spelling of 9997135 in words is "nine million, nine hundred ninety-seven thousand, one hundred thirty-five".