12554720 has 24 divisors (see below), whose sum is σ = 29660904. Its totient is φ = 5021824.

The previous prime is 12554701. The next prime is 12554723. The reversal of 12554720 is 2745521.

It is a self number, because there is not a number n which added to its sum of digits gives 12554720.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12554723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39074 + ... + 39393.

It is an arithmetic number, because the mean of its divisors is an integer number (1235871).

Almost surely, 2^12554720 is an apocalyptic number.

12554720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12554720 is an abundant number, since it is smaller than the sum of its proper divisors (17106184).

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

12554720 is an equidigital number, since it uses as much as digits as its factorization.

12554720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78482 (or 78474 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 12554720 is about 3543.2640319344. The cubic root of 12554720 is about 232.4175990417.

It can be divided in two parts, 125 and 54720, that added together give a palindrome (54845).

The spelling of 12554720 in words is "twelve million, five hundred fifty-four thousand, seven hundred twenty".