12730026 has 32 divisors (see below), whose sum is σ = 26611200. Its totient is φ = 4055040.

The previous prime is 12730013. The next prime is 12730027. The reversal of 12730026 is 62003721.

It is a happy number.

12730026 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12729984 and 12730011.

It is not an unprimeable number, because it can be changed into a prime (12730027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16170 + ... + 16938.

It is an arithmetic number, because the mean of its divisors is an integer number (831600).

Almost surely, 2^12730026 is an apocalyptic number.

12730026 is an abundant number, since it is smaller than the sum of its proper divisors (13881174).

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

12730026 is a wasteful number, since it uses less digits than its factorization.

12730026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 12730026 is about 3567.9161985674. The cubic root of 12730026 is about 233.4943790707.

Adding to 12730026 its reverse (62003721), we get a palindrome (74733747).

The spelling of 12730026 in words is "twelve million, seven hundred thirty thousand, twenty-six".