12242787 has 8 divisors (see below), whose sum is σ = 16344336. Its totient is φ = 8151552.

The previous prime is 12242779. The next prime is 12242807. The reversal of 12242787 is 78724221.

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

It is not a de Polignac number, because 12242787 - 2³ = 12242779 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12242687) 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, 843 + ... + 5019.

It is an arithmetic number, because the mean of its divisors is an integer number (2043042).

Almost surely, 2^12242787 is an apocalyptic number.

12242787 is a deficient number, since it is larger than the sum of its proper divisors (4101549).

12242787 is an equidigital number, since it uses as much as digits as its factorization.

12242787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5157.

The product of its digits is 12544, while the sum is 33.

The square root of 12242787 is about 3498.9694197006. The cubic root of 12242787 is about 230.4765607170.

The spelling of 12242787 in words is "twelve million, two hundred forty-two thousand, seven hundred eighty-seven".