12724836 has 12 divisors (see below), whose sum is σ = 29691312. Its totient is φ = 4241608.

The previous prime is 12724807. The next prime is 12724853. The reversal of 12724836 is 63842721.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 12724797 and 12724806.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 530190 + ... + 530213.

It is an arithmetic number, because the mean of its divisors is an integer number (2474276).

Almost surely, 2^12724836 is an apocalyptic number.

It is an amenable number.

12724836 is an abundant number, since it is smaller than the sum of its proper divisors (16966476).

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

12724836 is a wasteful number, since it uses less digits than its factorization.

12724836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1060410 (or 1060408 counting only the distinct ones).

The product of its digits is 16128, while the sum is 33.

The square root of 12724836 is about 3567.1888091325. The cubic root of 12724836 is about 233.4626430645.

The spelling of 12724836 in words is "twelve million, seven hundred twenty-four thousand, eight hundred thirty-six".