12385552 has 20 divisors (see below), whose sum is σ = 24825420. Its totient is φ = 5979008.

The previous prime is 12385531. The next prime is 12385559. The reversal of 12385552 is 25558321.

It can be written as a sum of positive squares in 2 ways, for example, as 2119936 + 10265616 = 1456^2 + 3204^2 .

It is not an unprimeable number, because it can be changed into a prime (12385559) 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, 12883 + ... + 13810.

It is an arithmetic number, because the mean of its divisors is an integer number (1241271).

Almost surely, 2^12385552 is an apocalyptic number.

It is an amenable number.

12385552 is an abundant number, since it is smaller than the sum of its proper divisors (12439868).

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

12385552 is a wasteful number, since it uses less digits than its factorization.

12385552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26730 (or 26724 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 12385552 is about 3519.3112962624. The cubic root of 12385552 is about 231.3689748633.

The spelling of 12385552 in words is "twelve million, three hundred eighty-five thousand, five hundred fifty-two".