12442313 has 8 divisors (see below), whose sum is σ = 13472256. Its totient is φ = 11422800.

The previous prime is 12442301. The next prime is 12442319. The reversal of 12442313 is 31324421.

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

It is a cyclic number.

It is not a de Polignac number, because 12442313 - 2¹⁸ = 12180169 is a prime.

It is a super-2 number, since 2×12442313² = 309622305579938, 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, 23 + ... + 4988.

It is an arithmetic number, because the mean of its divisors is an integer number (1684032).

Almost surely, 2^12442313 is an apocalyptic number.

12442313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12442313 is a deficient number, since it is larger than the sum of its proper divisors (1029943).

12442313 is a wasteful number, since it uses less digits than its factorization.

12442313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5215.

The product of its digits is 576, while the sum is 20.

The square root of 12442313 is about 3527.3662979623. The cubic root of 12442313 is about 231.7218786221.

Adding to 12442313 its reverse (31324421), we get a palindrome (43766734).

The spelling of 12442313 in words is "twelve million, four hundred forty-two thousand, three hundred thirteen".