12586020 has 24 divisors (see below), whose sum is σ = 35241024. Its totient is φ = 3356256.

The previous prime is 12586019. The next prime is 12586051. The reversal of 12586020 is 2068521.

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, 104824 + ... + 104943.

It is an arithmetic number, because the mean of its divisors is an integer number (1468376).

Almost surely, 2^12586020 is an apocalyptic number.

12586020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12586020 is an abundant number, since it is smaller than the sum of its proper divisors (22655004).

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

12586020 is a wasteful number, since it uses less digits than its factorization.

12586020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209779 (or 209777 counting only the distinct ones).

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

The square root of 12586020 is about 3547.6781139218. The cubic root of 12586020 is about 232.6105844620.

The spelling of 12586020 in words is "twelve million, five hundred eighty-six thousand, twenty".