12472320 has 208 divisors, whose sum is σ = 47180160. Its totient is φ = 2752512.

The previous prime is 12472319. The next prime is 12472333. The reversal of 12472320 is 2327421.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 430066 + ... + 430094.

Almost surely, 2^12472320 is an apocalyptic number.

12472320 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 12472320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23590080).

12472320 is an abundant number, since it is smaller than the sum of its proper divisors (34707840).

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

12472320 is an equidigital number, since it uses as much as digits as its factorization.

12472320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 12472320 is about 3531.6171932983. The cubic root of 12472320 is about 231.9080095066.

Adding to 12472320 its reverse (2327421), we get a palindrome (14799741).

The spelling of 12472320 in words is "twelve million, four hundred seventy-two thousand, three hundred twenty".