12511424 has 28 divisors (see below), whose sum is σ = 26136600. Its totient is φ = 5925888.

The previous prime is 12511399. The next prime is 12511453. The reversal of 12511424 is 42411521.

It is a happy number.

12511424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12511396 and 12511405.

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, 3929 + ... + 6360.

It is an arithmetic number, because the mean of its divisors is an integer number (933450).

Almost surely, 2^12511424 is an apocalyptic number.

It is an amenable number.

12511424 is an abundant number, since it is smaller than the sum of its proper divisors (13625176).

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

12511424 is a wasteful number, since it uses less digits than its factorization.

12511424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10320 (or 10310 counting only the distinct ones).

The product of its digits is 320, while the sum is 20.

The square root of 12511424 is about 3537.1491345432. The cubic root of 12511424 is about 232.1501208344.

Adding to 12511424 its reverse (42411521), we get a palindrome (54922945).

The spelling of 12511424 in words is "twelve million, five hundred eleven thousand, four hundred twenty-four".