12513426 has 16 divisors (see below), whose sum is σ = 26115264. Its totient is φ = 3989744.

The previous prime is 12513409. The next prime is 12513433. The reversal of 12513426 is 62431521.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12513396 and 12513405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45201 + ... + 45476.

It is an arithmetic number, because the mean of its divisors is an integer number (1632204).

Almost surely, 2^12513426 is an apocalyptic number.

12513426 is an abundant number, since it is smaller than the sum of its proper divisors (13601838).

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

12513426 is a wasteful number, since it uses less digits than its factorization.

12513426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90705.

The product of its digits is 1440, while the sum is 24.

The square root of 12513426 is about 3537.4321194901. The cubic root of 12513426 is about 232.1625025786.

Adding to 12513426 its reverse (62431521), we get a palindrome (74944947).

The spelling of 12513426 in words is "twelve million, five hundred thirteen thousand, four hundred twenty-six".