9881012 has 24 divisors (see below), whose sum is σ = 18406080. Its totient is φ = 4625280.

The previous prime is 9881009. The next prime is 9881023. The reversal of 9881012 is 2101889.

9881012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22289 + ... + 22727.

It is an arithmetic number, because the mean of its divisors is an integer number (766920).

Almost surely, 2^9881012 is an apocalyptic number.

It is an amenable number.

9881012 is a deficient number, since it is larger than the sum of its proper divisors (8525068).

9881012 is a wasteful number, since it uses less digits than its factorization.

9881012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 791 (or 789 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 9881012 is about 3143.4077050233. The cubic root of 9881012 is about 214.5855509705.

The spelling of 9881012 in words is "nine million, eight hundred eighty-one thousand, twelve".