12426560 has 28 divisors (see below), whose sum is σ = 29591508. Its totient is φ = 4970496.

The previous prime is 12426559. The next prime is 12426577. The reversal of 12426560 is 6562421.

12426560 is digitally balanced in base 2, because in such base 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 3474496 + 8952064 = 1864^2 + 2992^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19097 + ... + 19736.

Almost surely, 2^12426560 is an apocalyptic number.

12426560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12426560 is an abundant number, since it is smaller than the sum of its proper divisors (17164948).

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

12426560 is an equidigital number, since it uses as much as digits as its factorization.

12426560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38850 (or 38840 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 12426560 is about 3525.1326216187. The cubic root of 12426560 is about 231.6240442840.

Adding to 12426560 its reverse (6562421), we get a palindrome (18988981).

The spelling of 12426560 in words is "twelve million, four hundred twenty-six thousand, five hundred sixty".