12860520 has 32 divisors (see below), whose sum is σ = 38581920. Its totient is φ = 3429440.

The previous prime is 12860501. The next prime is 12860531. The reversal of 12860520 is 2506821.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53466 + ... + 53705.

It is an arithmetic number, because the mean of its divisors is an integer number (1205685).

Almost surely, 2^12860520 is an apocalyptic number.

12860520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12860520 is an abundant number, since it is smaller than the sum of its proper divisors (25721400).

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

12860520 is a wasteful number, since it uses less digits than its factorization.

12860520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107185 (or 107181 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 12860520 is about 3586.1567171556. The cubic root of 12860520 is about 234.2895094425.

It can be divided in two parts, 12 and 860520, that multiplied together give a triangular number (10326240 = T₄₅₄₄).

The spelling of 12860520 in words is "twelve million, eight hundred sixty thousand, five hundred twenty".