12860478 has 16 divisors (see below), whose sum is σ = 28578960. Its totient is φ = 4286808.

The previous prime is 12860467. The next prime is 12860479. The reversal of 12860478 is 87406821.

12860478 is a `hidden beast` number, since 128 + 60 + 478 = 666.

12860478 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 (12860479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 119025 + ... + 119132.

It is an arithmetic number, because the mean of its divisors is an integer number (1786185).

Almost surely, 2^12860478 is an apocalyptic number.

12860478 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12860478 is an abundant number, since it is smaller than the sum of its proper divisors (15718482).

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

12860478 is a wasteful number, since it uses less digits than its factorization.

12860478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238168 (or 238162 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 12860478 is about 3586.1508612996. The cubic root of 12860478 is about 234.2892543940.

It can be divided in two parts, 128 and 60478, that added together give a palindrome (60606).

The spelling of 12860478 in words is "twelve million, eight hundred sixty thousand, four hundred seventy-eight".