12313242 has 16 divisors (see below), whose sum is σ = 27362880. Its totient is φ = 4104396.

The previous prime is 12313237. The next prime is 12313261. The reversal of 12313242 is 24231321.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113958 + ... + 114065.

It is an arithmetic number, because the mean of its divisors is an integer number (1710180).

Almost surely, 2^12313242 is an apocalyptic number.

12313242 is an abundant number, since it is smaller than the sum of its proper divisors (15049638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12313242 is a wasteful number, since it uses less digits than its factorization.

12313242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228034 (or 228028 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 12313242 is about 3509.0229409338. The cubic root of 12313242 is about 230.9178321354.

Adding to 12313242 its reverse (24231321), we get a palindrome (36544563).

The spelling of 12313242 in words is "twelve million, three hundred thirteen thousand, two hundred forty-two".