9913776 has 40 divisors (see below), whose sum is σ = 25746864. Its totient is φ = 3287040.

The previous prime is 9913753. The next prime is 9913807. The reversal of 9913776 is 6773199.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 11140 + ... + 11996.

Almost surely, 2^9913776 is an apocalyptic number.

9913776 is the 2571-st pentagonal number.

It is an amenable number.

9913776 is an abundant number, since it is smaller than the sum of its proper divisors (15833088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9913776 is a wasteful number, since it uses less digits than its factorization.

9913776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109 (or 1103 counting only the distinct ones).

The product of its digits is 71442, while the sum is 42.

The square root of 9913776 is about 3148.6149335859. The cubic root of 9913776 is about 214.8224674715.

The spelling of 9913776 in words is "nine million, nine hundred thirteen thousand, seven hundred seventy-six".