9778012 has 12 divisors (see below), whose sum is σ = 17281656. Its totient is φ = 4840400.

The previous prime is 9778001. The next prime is 9778019. The reversal of 9778012 is 2108779.

9778012 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 not an unprimeable number, because it can be changed into a prime (9778019) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11698 + ... + 12505.

It is an arithmetic number, because the mean of its divisors is an integer number (1440138).

Almost surely, 2^9778012 is an apocalyptic number.

It is an amenable number.

9778012 is a deficient number, since it is larger than the sum of its proper divisors (7503644).

9778012 is a wasteful number, since it uses less digits than its factorization.

9778012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24308 (or 24306 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 34.

The square root of 9778012 is about 3126.9812919172. The cubic root of 9778012 is about 213.8373294311.

The spelling of 9778012 in words is "nine million, seven hundred seventy-eight thousand, twelve".