12854140 has 36 divisors (see below), whose sum is σ = 29237544. Its totient is φ = 4744896.

The previous prime is 12854131. The next prime is 12854141. The reversal of 12854140 is 4145821.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12854141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1479 + ... + 5281.

It is an arithmetic number, because the mean of its divisors is an integer number (812154).

Almost surely, 2^12854140 is an apocalyptic number.

12854140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12854140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14618772).

12854140 is an abundant number, since it is smaller than the sum of its proper divisors (16383404).

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

12854140 is a wasteful number, since it uses less digits than its factorization.

12854140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3838 (or 3823 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 12854140 is about 3585.2670751284. The cubic root of 12854140 is about 234.2507599902.

Adding to 12854140 its reverse (4145821), we get a palindrome (16999961).

The spelling of 12854140 in words is "twelve million, eight hundred fifty-four thousand, one hundred forty".