9113913 has 6 divisors (see below), whose sum is σ = 13164554. Its totient is φ = 6075936.

The previous prime is 9113903. The next prime is 9113927. The reversal of 9113913 is 3193119.

It can be written as a sum of positive squares in only one way, i.e., 6827769 + 2286144 = 2613^2 + 1512^2 .

It is not a de Polignac number, because 9113913 - 2¹⁰ = 9112889 is a prime.

It is a nude number because it is divisible by every one of its digits.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9113903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 506320 + ... + 506337.

Almost surely, 2^9113913 is an apocalyptic number.

It is an amenable number.

9113913 is a deficient number, since it is larger than the sum of its proper divisors (4050641).

9113913 is a wasteful number, since it uses less digits than its factorization.

9113913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1012663 (or 1012660 counting only the distinct ones).

The product of its digits is 729, while the sum is 27.

The square root of 9113913 is about 3018.9258023343. The cubic root of 9113913 is about 208.8822929464.

The spelling of 9113913 in words is "nine million, one hundred thirteen thousand, nine hundred thirteen".