12813726 has 16 divisors (see below), whose sum is σ = 26454528. Its totient is φ = 4133400.

The previous prime is 12813707. The next prime is 12813761. The reversal of 12813726 is 62731821.

12813726 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 junction number, because it is equal to n+sod(n) for n = 12813693 and 12813702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34260 + ... + 34631.

It is an arithmetic number, because the mean of its divisors is an integer number (1653408).

Almost surely, 2^12813726 is an apocalyptic number.

12813726 is an abundant number, since it is smaller than the sum of its proper divisors (13640802).

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

12813726 is a wasteful number, since it uses less digits than its factorization.

12813726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68927.

The product of its digits is 4032, while the sum is 30.

The square root of 12813726 is about 3579.6265168311. The cubic root of 12813726 is about 234.0050039108.

The spelling of 12813726 in words is "twelve million, eight hundred thirteen thousand, seven hundred twenty-six".