12340434 has 16 divisors (see below), whose sum is σ = 24726240. Its totient is φ = 4105920.

The previous prime is 12340429. The next prime is 12340459. The reversal of 12340434 is 43404321.

12340434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12340434² = 304572622616712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12340434.

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, 2394 + ... + 5514.

It is an arithmetic number, because the mean of its divisors is an integer number (1545390).

Almost surely, 2^12340434 is an apocalyptic number.

12340434 is an abundant number, since it is smaller than the sum of its proper divisors (12385806).

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

12340434 is a wasteful number, since it uses less digits than its factorization.

12340434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 12340434 is about 3512.8953869992. The cubic root of 12340434 is about 231.0876899514.

Adding to 12340434 its reverse (43404321), we get a palindrome (55744755).

The spelling of 12340434 in words is "twelve million, three hundred forty thousand, four hundred thirty-four".