12445287 has 8 divisors (see below), whose sum is σ = 16648320. Its totient is φ = 8269560.

The previous prime is 12445267. The next prime is 12445289. The reversal of 12445287 is 78254421.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12445287 - 2¹⁴ = 12428903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12445289) 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, 5737 + ... + 7602.

It is an arithmetic number, because the mean of its divisors is an integer number (2081040).

Almost surely, 2^12445287 is an apocalyptic number.

12445287 is a deficient number, since it is larger than the sum of its proper divisors (4203033).

12445287 is a wasteful number, since it uses less digits than its factorization.

12445287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13653.

The product of its digits is 17920, while the sum is 33.

The square root of 12445287 is about 3527.7878337564. The cubic root of 12445287 is about 231.7403394439.

The spelling of 12445287 in words is "twelve million, four hundred forty-five thousand, two hundred eighty-seven".