12120504 has 64 divisors (see below), whose sum is σ = 34145280. Its totient is φ = 3552000.

The previous prime is 12120503. The next prime is 12120509. The reversal of 12120504 is 40502121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12120503) 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, 7444 + ... + 8924.

It is an arithmetic number, because the mean of its divisors is an integer number (533520).

Almost surely, 2^12120504 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12120504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17072640).

12120504 is an abundant number, since it is smaller than the sum of its proper divisors (22024776).

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

12120504 is a wasteful number, since it uses less digits than its factorization.

12120504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1532 (or 1528 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 12120504 is about 3481.4514214620. The cubic root of 12120504 is about 229.7066455326.

Adding to 12120504 its reverse (40502121), we get a palindrome (52622625).

The spelling of 12120504 in words is "twelve million, one hundred twenty thousand, five hundred four".