12461442 has 64 divisors (see below), whose sum is σ = 31186944. Its totient is φ = 3237120.

The previous prime is 12461429. The next prime is 12461453. The reversal of 12461442 is 24416421.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21853 + ... + 22415.

It is an arithmetic number, because the mean of its divisors is an integer number (487296).

Almost surely, 2^12461442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12461442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15593472).

12461442 is an abundant number, since it is smaller than the sum of its proper divisors (18725502).

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

12461442 is a wasteful number, since it uses less digits than its factorization.

12461442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623.

The product of its digits is 1536, while the sum is 24.

The square root of 12461442 is about 3530.0767697035. The cubic root of 12461442 is about 231.8405687233.

Adding to 12461442 its reverse (24416421), we get a palindrome (36877863).

The spelling of 12461442 in words is "twelve million, four hundred sixty-one thousand, four hundred forty-two".