12600720 has 240 divisors, whose sum is σ = 48514752. Its totient is φ = 2903040.

The previous prime is 12600719. The next prime is 12600751. The reversal of 12600720 is 2700621.

12600720 = 127² + 128² + ... + 341².

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (240).

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 = 12600693 and 12600702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 293019 + ... + 293061.

Almost surely, 2^12600720 is an apocalyptic number.

12600720 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 12600720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24257376).

12600720 is an abundant number, since it is smaller than the sum of its proper divisors (35914032).

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

12600720 is a wasteful number, since it uses less digits than its factorization.

12600720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110 (or 101 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 12600720 is about 3549.7492869215. The cubic root of 12600720 is about 232.7011093783.

Subtracting from 12600720 its reverse (2700621), we obtain a palindrome (9900099).

The spelling of 12600720 in words is "twelve million, six hundred thousand, seven hundred twenty".