12240500 has 24 divisors (see below), whose sum is σ = 26734344. Its totient is φ = 4896000.

The previous prime is 12240469. The next prime is 12240511. The reversal of 12240500 is 504221.

It can be written as a sum of positive squares in 4 ways, for example, as 3407716 + 8832784 = 1846^2 + 2972^2 .

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 11741 + ... + 12740.

It is an arithmetic number, because the mean of its divisors is an integer number (1113931).

Almost surely, 2^12240500 is an apocalyptic number.

12240500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12240500 is an abundant number, since it is smaller than the sum of its proper divisors (14493844).

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

12240500 is a wasteful number, since it uses less digits than its factorization.

12240500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24500 (or 24488 counting only the distinct ones).

The product of its (nonzero) digits is 80, while the sum is 14.

The square root of 12240500 is about 3498.6425939212. The cubic root of 12240500 is about 230.4622085187.

Adding to 12240500 its reverse (504221), we get a palindrome (12744721).

The spelling of 12240500 in words is "twelve million, two hundred forty thousand, five hundred".