12826730 has 24 divisors (see below), whose sum is σ = 26858628. Its totient is φ = 4397568.

The previous prime is 12826717. The next prime is 12826733. The reversal of 12826730 is 3762821.

It is a happy number.

12826730 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12201049 + 625681 = 3493^2 + 791^2 .

12826730 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 12826693 and 12826702.

It is not an unprimeable number, because it can be changed into a prime (12826733) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12599 + ... + 13578.

Almost surely, 2^12826730 is an apocalyptic number.

12826730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12826730 is an abundant number, since it is smaller than the sum of its proper divisors (14031898).

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

12826730 is a wasteful number, since it uses less digits than its factorization.

12826730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26198 (or 26191 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 12826730 is about 3581.4424468362. The cubic root of 12826730 is about 234.0841370803.

The spelling of 12826730 in words is "twelve million, eight hundred twenty-six thousand, seven hundred thirty".