12034320 has 80 divisors (see below), whose sum is σ = 38247552. Its totient is φ = 3128320.

The previous prime is 12034301. The next prime is 12034327. The reversal of 12034320 is 2343021.

12034320 = T₂₃₅ + T₂₃₆ + ... + T₄₃₉.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12034320.

It is not an unprimeable number, because it can be changed into a prime (12034327) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9229 + ... + 10451.

Almost surely, 2^12034320 is an apocalyptic number.

12034320 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 12034320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19123776).

12034320 is an abundant number, since it is smaller than the sum of its proper divisors (26213232).

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

12034320 is a wasteful number, since it uses less digits than its factorization.

12034320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1280 (or 1274 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 12034320 is about 3469.0517436325. The cubic root of 12034320 is about 229.1608996161.

Adding to 12034320 its reverse (2343021), we get a palindrome (14377341).

The spelling of 12034320 in words is "twelve million, thirty-four thousand, three hundred twenty".