12786030 has 24 divisors (see below), whose sum is σ = 33243912. Its totient is φ = 3409584.

The previous prime is 12786029. The next prime is 12786049. The reversal of 12786030 is 3068721.

12786030 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 Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12785985 and 12786003.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70944 + ... + 71123.

It is an arithmetic number, because the mean of its divisors is an integer number (1385163).

Almost surely, 2^12786030 is an apocalyptic number.

12786030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12786030 is an abundant number, since it is smaller than the sum of its proper divisors (20457882).

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

12786030 is a wasteful number, since it uses less digits than its factorization.

12786030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142080 (or 142077 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 12786030 is about 3575.7558641496. The cubic root of 12786030 is about 233.8362869787.

The spelling of 12786030 in words is "twelve million, seven hundred eighty-six thousand, thirty".