12334440 has 128 divisors (see below), whose sum is σ = 39916800. Its totient is φ = 3041280.

The previous prime is 12334433. The next prime is 12334451. The reversal of 12334440 is 4443321.

12334440 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12334440² = 304276820227200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 113106 + ... + 113214.

It is an arithmetic number, because the mean of its divisors is an integer number (311850).

Almost surely, 2^12334440 is an apocalyptic number.

12334440 is a gapful number since it is divisible by the number (10) 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 12334440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19958400).

12334440 is an abundant number, since it is smaller than the sum of its proper divisors (27582360).

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

12334440 is a wasteful number, since it uses less digits than its factorization.

12334440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 183 counting only the distinct ones).

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

The square root of 12334440 is about 3512.0421409772. The cubic root of 12334440 is about 231.0502692270.

Adding to 12334440 its reverse (4443321), we get a palindrome (16777761).

The spelling of 12334440 in words is "twelve million, three hundred thirty-four thousand, four hundred forty".