9913601 has 4 divisors (see below), whose sum is σ = 10496772. Its totient is φ = 9330432.

The previous prime is 9913571. The next prime is 9913609. The reversal of 9913601 is 1063199.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1063199 = 367 ⋅2897.

It can be written as a sum of positive squares in 2 ways, for example, as 6130576 + 3783025 = 2476^2 + 1945^2 .

It is a cyclic number.

It is not a de Polignac number, because 9913601 - 2¹⁸ = 9651457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9913609) 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, 291560 + ... + 291593.

It is an arithmetic number, because the mean of its divisors is an integer number (2624193).

Almost surely, 2^9913601 is an apocalyptic number.

It is an amenable number.

9913601 is a deficient number, since it is larger than the sum of its proper divisors (583171).

9913601 is a wasteful number, since it uses less digits than its factorization.

9913601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583170.

The product of its (nonzero) digits is 1458, while the sum is 29.

The square root of 9913601 is about 3148.5871434661. The cubic root of 9913601 is about 214.8212034341.

The spelling of 9913601 in words is "nine million, nine hundred thirteen thousand, six hundred one".