12126504 has 32 divisors (see below), whose sum is σ = 32649120. Its totient is φ = 3731136.

The previous prime is 12126493. The next prime is 12126509. The reversal of 12126504 is 40562121.

It is not an unprimeable number, because it can be changed into a prime (12126509) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19122 + ... + 19745.

It is an arithmetic number, because the mean of its divisors is an integer number (1020285).

Almost surely, 2^12126504 is an apocalyptic number.

It is an amenable number.

12126504 is an abundant number, since it is smaller than the sum of its proper divisors (20522616).

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

12126504 is a wasteful number, since it uses less digits than its factorization.

12126504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38889 (or 38885 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 12126504 is about 3482.3130244135. The cubic root of 12126504 is about 229.7445430907.

Adding to 12126504 its reverse (40562121), we get a palindrome (52688625).

The spelling of 12126504 in words is "twelve million, one hundred twenty-six thousand, five hundred four".