9913406 has 4 divisors (see below), whose sum is σ = 14870112. Its totient is φ = 4956702.

The previous prime is 9913403. The next prime is 9913411. The reversal of 9913406 is 6043199.

9913406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6043199 = 67 ⋅90197.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9913403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2478350 + ... + 2478353.

It is an arithmetic number, because the mean of its divisors is an integer number (3717528).

Almost surely, 2^9913406 is an apocalyptic number.

9913406 is a deficient number, since it is larger than the sum of its proper divisors (4956706).

9913406 is a wasteful number, since it uses less digits than its factorization.

9913406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4956705.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 9913406 is about 3148.5561770437. The cubic root of 9913406 is about 214.8197949176.

The spelling of 9913406 in words is "nine million, nine hundred thirteen thousand, four hundred six".