12786492 has 24 divisors (see below), whose sum is σ = 29904336. Its totient is φ = 4252288.

The previous prime is 12786479. The next prime is 12786493. The reversal of 12786492 is 29468721.

12786492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 12786492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12786493) 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, 5728 + ... + 7640.

It is an arithmetic number, because the mean of its divisors is an integer number (1246014).

Almost surely, 2^12786492 is an apocalyptic number.

12786492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12786492 is an abundant number, since it is smaller than the sum of its proper divisors (17117844).

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

12786492 is a wasteful number, since it uses less digits than its factorization.

12786492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477 (or 2475 counting only the distinct ones).

The product of its digits is 48384, while the sum is 39.

The square root of 12786492 is about 3575.8204652918. The cubic root of 12786492 is about 233.8391033615.

The spelling of 12786492 in words is "twelve million, seven hundred eighty-six thousand, four hundred ninety-two".