9913437 has 24 divisors (see below), whose sum is σ = 15148224. Its totient is φ = 6234624.

The previous prime is 9913433. The next prime is 9913439. The reversal of 9913437 is 7343199.

9913437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9913437 - 2² = 9913433 is a prime.

It is a super-3 number, since 3×9913437³ (a number of 22 digits) contains 333 as substring.

9913437 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9913433) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16893 + ... + 17469.

It is an arithmetic number, because the mean of its divisors is an integer number (631176).

Almost surely, 2^9913437 is an apocalyptic number.

It is an amenable number.

9913437 is a deficient number, since it is larger than the sum of its proper divisors (5234787).

9913437 is a wasteful number, since it uses less digits than its factorization.

9913437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689 (or 686 counting only the distinct ones).

The product of its digits is 20412, while the sum is 36.

The square root of 9913437 is about 3148.5610999312. The cubic root of 9913437 is about 214.8200188369.

The spelling of 9913437 in words is "nine million, nine hundred thirteen thousand, four hundred thirty-seven".