12858120 has 192 divisors, whose sum is σ = 48522240. Its totient is φ = 2918400.

The previous prime is 12858091. The next prime is 12858163. The reversal of 12858120 is 2185821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 67225 + ... + 67415.

It is an arithmetic number, because the mean of its divisors is an integer number (252720).

Almost surely, 2^12858120 is an apocalyptic number.

12858120 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 12858120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24261120).

12858120 is an abundant number, since it is smaller than the sum of its proper divisors (35664120).

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

12858120 is a wasteful number, since it uses less digits than its factorization.

12858120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 27.

The square root of 12858120 is about 3585.8220814759. The cubic root of 12858120 is about 234.2749343500.

The spelling of 12858120 in words is "twelve million, eight hundred fifty-eight thousand, one hundred twenty".