12077786 has 32 divisors (see below), whose sum is σ = 22643712. Its totient is φ = 4711680.

The previous prime is 12077773. The next prime is 12077789. The reversal of 12077786 is 68777021.

12077786 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (12077789) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6560 + ... + 8196.

It is an arithmetic number, because the mean of its divisors is an integer number (707616).

Almost surely, 2^12077786 is an apocalyptic number.

12077786 is a deficient number, since it is larger than the sum of its proper divisors (10565926).

12077786 is a wasteful number, since it uses less digits than its factorization.

12077786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1694.

The product of its (nonzero) digits is 32928, while the sum is 38.

The square root of 12077786 is about 3475.3109213421. The cubic root of 12077786 is about 229.4364653736.

The spelling of 12077786 in words is "twelve million, seventy-seven thousand, seven hundred eighty-six".