13126530 has 32 divisors (see below), whose sum is σ = 33163200. Its totient is φ = 3316032.

The previous prime is 13126517. The next prime is 13126541. The reversal of 13126530 is 3562131.

It is a junction number, because it is equal to n+sod(n) for n = 13126497 and 13126506.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10945 + ... + 12084.

It is an arithmetic number, because the mean of its divisors is an integer number (1036350).

Almost surely, 2^13126530 is an apocalyptic number.

13126530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13126530 is an abundant number, since it is smaller than the sum of its proper divisors (20036670).

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

13126530 is a wasteful number, since it uses less digits than its factorization.

13126530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23058.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 13126530 is about 3623.0553404551. The cubic root of 13126530 is about 235.8938644651.

Adding to 13126530 its reverse (3562131), we get a palindrome (16688661).

The spelling of 13126530 in words is "thirteen million, one hundred twenty-six thousand, five hundred thirty".