12711078 has 24 divisors (see below), whose sum is σ = 28009800. Its totient is φ = 4164864.

The previous prime is 12711071. The next prime is 12711079. The reversal of 12711078 is 87011721.

12711078 is digitally balanced in base 2 and base 4, because in such bases 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 (12711071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4923 + ... + 7046.

It is an arithmetic number, because the mean of its divisors is an integer number (1167075).

Almost surely, 2^12711078 is an apocalyptic number.

12711078 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12711078 is an abundant number, since it is smaller than the sum of its proper divisors (15298722).

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

12711078 is a wasteful number, since it uses less digits than its factorization.

12711078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12036 (or 12033 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 27.

The square root of 12711078 is about 3565.2598783258. The cubic root of 12711078 is about 233.3784733529.

Adding to 12711078 its reverse (87011721), we get a palindrome (99722799).

The spelling of 12711078 in words is "twelve million, seven hundred eleven thousand, seventy-eight".