12454530 has 96 divisors (see below), whose sum is σ = 34013952. Its totient is φ = 2914560.

The previous prime is 12454517. The next prime is 12454531. The reversal of 12454530 is 3545421.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12454530.

It is not an unprimeable number, because it can be changed into a prime (12454531) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 170574 + ... + 170646.

It is an arithmetic number, because the mean of its divisors is an integer number (354312).

Almost surely, 2^12454530 is an apocalyptic number.

12454530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12454530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17006976).

12454530 is an abundant number, since it is smaller than the sum of its proper divisors (21559422).

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

12454530 is a wasteful number, since it uses less digits than its factorization.

12454530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 141 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 12454530 is about 3529.0976183722. The cubic root of 12454530 is about 231.7976957186.

Adding to 12454530 its reverse (3545421), we get a palindrome (15999951).

It can be divided in two parts, 1245 and 4530, that added together give a palindrome (5775).

The spelling of 12454530 in words is "twelve million, four hundred fifty-four thousand, five hundred thirty".