12340368 has 90 divisors (see below), whose sum is σ = 37089702. Its totient is φ = 3816960.

The previous prime is 12340343. The next prime is 12340373. The reversal of 12340368 is 86304321.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 11614464 + 725904 = 3408^2 + 852^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 173773 + ... + 173843.

It is a vampire number, since it can be written as 3408 ⋅ 3621 (with its own digits).

Almost surely, 2^12340368 is an apocalyptic number.

12340368 is a gapful number since it is divisible by the number (18) 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 12340368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18544851).

12340368 is an abundant number, since it is smaller than the sum of its proper divisors (24749334).

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

12340368 is a wasteful number, since it uses less digits than its factorization.

12340368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 12340368 is about 3512.8859930262. The cubic root of 12340368 is about 231.0872779773.

Adding to 12340368 its reverse (86304321), we get a palindrome (98644689).

The spelling of 12340368 in words is "twelve million, three hundred forty thousand, three hundred sixty-eight".