12836540 has 12 divisors (see below), whose sum is σ = 26956776. Its totient is φ = 5134608.

The previous prime is 12836503. The next prime is 12836543. The reversal of 12836540 is 4563821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12836543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 320894 + ... + 320933.

It is an arithmetic number, because the mean of its divisors is an integer number (2246398).

Almost surely, 2^12836540 is an apocalyptic number.

12836540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12836540 is an abundant number, since it is smaller than the sum of its proper divisors (14120236).

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

12836540 is a wasteful number, since it uses less digits than its factorization.

12836540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641836 (or 641834 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 12836540 is about 3582.8117449847. The cubic root of 12836540 is about 234.1437984335.

The spelling of 12836540 in words is "twelve million, eight hundred thirty-six thousand, five hundred forty".