12836440 has 16 divisors (see below), whose sum is σ = 28882080. Its totient is φ = 5134560.

The previous prime is 12836437. The next prime is 12836459. The reversal of 12836440 is 4463821.

It is a junction number, because it is equal to n+sod(n) for n = 12836399 and 12836408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160416 + ... + 160495.

It is an arithmetic number, because the mean of its divisors is an integer number (1805130).

Almost surely, 2^12836440 is an apocalyptic number.

12836440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12836440 is an abundant number, since it is smaller than the sum of its proper divisors (16045640).

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

12836440 is a wasteful number, since it uses less digits than its factorization.

12836440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320922 (or 320918 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 12836440 is about 3582.7977894377. The cubic root of 12836440 is about 234.1431904182.

The spelling of 12836440 in words is "twelve million, eight hundred thirty-six thousand, four hundred forty".