12461538 has 32 divisors (see below), whose sum is σ = 26384256. Its totient is φ = 3915648.

The previous prime is 12461509. The next prime is 12461543. The reversal of 12461538 is 83516421.

12461538 is a modest number, since divided by 461538 gives 12 as remainder.

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 15 ways as a sum of consecutive naturals, for example, 9456 + ... + 10692.

It is an arithmetic number, because the mean of its divisors is an integer number (824508).

Almost surely, 2^12461538 is an apocalyptic number.

12461538 is an abundant number, since it is smaller than the sum of its proper divisors (13922718).

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

12461538 is a wasteful number, since it uses less digits than its factorization.

12461538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338.

The product of its digits is 5760, while the sum is 30.

The square root of 12461538 is about 3530.0903671153. The cubic root of 12461538 is about 231.8411640701.

Adding to 12461538 its reverse (83516421), we get a palindrome (95977959).

The spelling of 12461538 in words is "twelve million, four hundred sixty-one thousand, five hundred thirty-eight".