12840060 has 48 divisors (see below), whose sum is σ = 36189216. Its totient is φ = 3401472.

The previous prime is 12840031. The next prime is 12840089. The reversal of 12840060 is 6004821.

It is an interprime number because it is at equal distance from previous prime (12840031) and next prime (12840089).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9762 + ... + 10998.

It is an arithmetic number, because the mean of its divisors is an integer number (753942).

Almost surely, 2^12840060 is an apocalyptic number.

12840060 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12840060 is an abundant number, since it is smaller than the sum of its proper divisors (23349156).

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

12840060 is a wasteful number, since it uses less digits than its factorization.

12840060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422 (or 1420 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 12840060 is about 3583.3029456076. The cubic root of 12840060 is about 234.1651985628.

Adding to 12840060 its reverse (6004821), we get a palindrome (18844881).

The spelling of 12840060 in words is "twelve million, eight hundred forty thousand, sixty".