12580286 has 4 divisors (see below), whose sum is σ = 18870432. Its totient is φ = 6290142.

The previous prime is 12580283. The next prime is 12580297. The reversal of 12580286 is 68208521.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12580283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3145070 + ... + 3145073.

It is an arithmetic number, because the mean of its divisors is an integer number (4717608).

Almost surely, 2^12580286 is an apocalyptic number.

12580286 is a deficient number, since it is larger than the sum of its proper divisors (6290146).

12580286 is an equidigital number, since it uses as much as digits as its factorization.

12580286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6290145.

The product of its (nonzero) digits is 7680, while the sum is 32.

The square root of 12580286 is about 3546.8698876615. The cubic root of 12580286 is about 232.5752544770.

The spelling of 12580286 in words is "twelve million, five hundred eighty thousand, two hundred eighty-six".