12453120 has 216 divisors, whose sum is σ = 45916416. Its totient is φ = 3108864.

The previous prime is 12453109. The next prime is 12453131. The reversal of 12453120 is 2135421.

It is an interprime number because it is at equal distance from previous prime (12453109) and next prime (12453131).

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

It is a junction number, because it is equal to n+sod(n) for n = 12453093 and 12453102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 264937 + ... + 264983.

It is an arithmetic number, because the mean of its divisors is an integer number (212576).

Almost surely, 2^12453120 is an apocalyptic number.

12453120 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 12453120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22958208).

12453120 is an abundant number, since it is smaller than the sum of its proper divisors (33463296).

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

12453120 is a wasteful number, since it uses less digits than its factorization.

12453120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97 (or 80 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 12453120 is about 3528.8978449369. The cubic root of 12453120 is about 231.7889479755.

Adding to 12453120 its reverse (2135421), we get a palindrome (14588541).

The spelling of 12453120 in words is "twelve million, four hundred fifty-three thousand, one hundred twenty".