12885726 has 48 divisors (see below), whose sum is σ = 30738960. Its totient is φ = 3588480.

The previous prime is 12885721. The next prime is 12885751. The reversal of 12885726 is 62758821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12885721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11520 + ... + 12588.

It is an arithmetic number, because the mean of its divisors is an integer number (640395).

Almost surely, 2^12885726 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12885726, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15369480).

12885726 is an abundant number, since it is smaller than the sum of its proper divisors (17853234).

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

12885726 is a wasteful number, since it uses less digits than its factorization.

12885726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1129 (or 1122 counting only the distinct ones).

The product of its digits is 53760, while the sum is 39.

The square root of 12885726 is about 3589.6693441040. The cubic root of 12885726 is about 234.4424749370.

The spelling of 12885726 in words is "twelve million, eight hundred eighty-five thousand, seven hundred twenty-six".