12442315 has 8 divisors (see below), whose sum is σ = 15412608. Its totient is φ = 9632640.

The previous prime is 12442301. The next prime is 12442319. The reversal of 12442315 is 51324421.

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

It is a de Polignac number, because none of the positive numbers 2^k-12442315 is a prime.

It is a super-2 number, since 2×12442315² = 309622405118450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12442319) 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, 39982 + ... + 40291.

It is an arithmetic number, because the mean of its divisors is an integer number (1926576).

Almost surely, 2^12442315 is an apocalyptic number.

12442315 is a deficient number, since it is larger than the sum of its proper divisors (2970293).

12442315 is an equidigital number, since it uses as much as digits as its factorization.

12442315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80309.

The product of its digits is 960, while the sum is 22.

The square root of 12442315 is about 3527.3665814599. The cubic root of 12442315 is about 231.7218910379.

Adding to 12442315 its reverse (51324421), we get a palindrome (63766736).

The spelling of 12442315 in words is "twelve million, four hundred forty-two thousand, three hundred fifteen".