12615126 has 32 divisors (see below), whose sum is σ = 27216000. Its totient is φ = 3885120.

The previous prime is 12615121. The next prime is 12615143. The reversal of 12615126 is 62151621.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12615096 and 12615105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12615121) by changing a digit.

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, 3325 + ... + 6023.

It is an arithmetic number, because the mean of its divisors is an integer number (850500).

Almost surely, 2^12615126 is an apocalyptic number.

12615126 is an abundant number, since it is smaller than the sum of its proper divisors (14600874).

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

12615126 is a wasteful number, since it uses less digits than its factorization.

12615126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2764.

The product of its digits is 720, while the sum is 24.

The square root of 12615126 is about 3551.7778646757. Note that the first 3 decimals coincide. The cubic root of 12615126 is about 232.7897555157.

Adding to 12615126 its reverse (62151621), we get a palindrome (74766747).

The spelling of 12615126 in words is "twelve million, six hundred fifteen thousand, one hundred twenty-six".