12453030 has 48 divisors (see below), whose sum is σ = 32600880. Its totient is φ = 3297984.

The previous prime is 12453017. The next prime is 12453031. The reversal of 12453030 is 3035421.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12452994 and 12453012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12453031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15724 + ... + 16496.

It is an arithmetic number, because the mean of its divisors is an integer number (679185).

Almost surely, 2^12453030 is an apocalyptic number.

12453030 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 12453030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16300440).

12453030 is an abundant number, since it is smaller than the sum of its proper divisors (20147850).

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

12453030 is a wasteful number, since it uses less digits than its factorization.

12453030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 965 (or 962 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 12453030 is about 3528.8850930570. The cubic root of 12453030 is about 231.7883895865.

Adding to 12453030 its reverse (3035421), we get a palindrome (15488451).

The spelling of 12453030 in words is "twelve million, four hundred fifty-three thousand, thirty".