12140500 has 24 divisors (see below), whose sum is σ = 26515944. Its totient is φ = 4856000.

The previous prime is 12140461. The next prime is 12140501. The reversal of 12140500 is 504121.

12140500 is nontrivially palindromic in base 12.

It can be written as a sum of positive squares in 4 ways, for example, as 71824 + 12068676 = 268^2 + 3474^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12140501) 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, 11641 + ... + 12640.

It is an arithmetic number, because the mean of its divisors is an integer number (1104831).

Almost surely, 2^12140500 is an apocalyptic number.

12140500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12140500 is an abundant number, since it is smaller than the sum of its proper divisors (14375444).

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

12140500 is a wasteful number, since it uses less digits than its factorization.

12140500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24300 (or 24288 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 12140500 is about 3484.3220287453. The cubic root of 12140500 is about 229.8328968966.

Adding to 12140500 its reverse (504121), we get a palindrome (12644621).

The spelling of 12140500 in words is "twelve million, one hundred forty thousand, five hundred".