12340016 has 40 divisors (see below), whose sum is σ = 26394144. Its totient is φ = 5552640.

The previous prime is 12340007. The next prime is 12340033. The reversal of 12340016 is 61004321.

It is a junction number, because it is equal to n+sod(n) for n = 12339976 and 12340003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7805 + ... + 9251.

Almost surely, 2^12340016 is an apocalyptic number.

12340016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12340016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13197072).

12340016 is an abundant number, since it is smaller than the sum of its proper divisors (14054128).

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

12340016 is a wasteful number, since it uses less digits than its factorization.

12340016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509 (or 1503 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 12340016 is about 3512.8358914131. The cubic root of 12340016 is about 231.0850807577.

Adding to 12340016 its reverse (61004321), we get a palindrome (73344337).

The spelling of 12340016 in words is "twelve million, three hundred forty thousand, sixteen".