12580818 has 16 divisors (see below), whose sum is σ = 25197696. Its totient is φ = 4187600.

The previous prime is 12580817. The next prime is 12580837. The reversal of 12580818 is 81808521.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (12580817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5668 + ... + 7568.

It is an arithmetic number, because the mean of its divisors is an integer number (1574856).

Almost surely, 2^12580818 is an apocalyptic number.

12580818 is an abundant number, since it is smaller than the sum of its proper divisors (12616878).

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

12580818 is a wasteful number, since it uses less digits than its factorization.

12580818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3009.

The product of its (nonzero) digits is 5120, while the sum is 33.

The square root of 12580818 is about 3546.9448825715. The cubic root of 12580818 is about 232.5785328416.

The spelling of 12580818 in words is "twelve million, five hundred eighty thousand, eight hundred eighteen".