9749913 has 4 divisors (see below), whose sum is σ = 12999888. Its totient is φ = 6499940.

The previous prime is 9749911. The next prime is 9749921. The reversal of 9749913 is 3199479.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9749913 - 2¹ = 9749911 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9749911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1624983 + ... + 1624988.

It is an arithmetic number, because the mean of its divisors is an integer number (3249972).

Almost surely, 2^9749913 is an apocalyptic number.

It is an amenable number.

9749913 is a deficient number, since it is larger than the sum of its proper divisors (3249975).

9749913 is a wasteful number, since it uses less digits than its factorization.

9749913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3249974.

The product of its digits is 61236, while the sum is 42.

The square root of 9749913 is about 3122.4850680187. The cubic root of 9749913 is about 213.6322986620.

The spelling of 9749913 in words is "nine million, seven hundred forty-nine thousand, nine hundred thirteen".