12303648 has 144 divisors (see below), whose sum is σ = 42456960. Its totient is φ = 3299328.

The previous prime is 12303637. The next prime is 12303653. The reversal of 12303648 is 84630321.

It is a happy number.

12303648 is a `hidden beast` number, since 12 + 3 + 0 + 3 + 648 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 34093 + ... + 34451.

It is an arithmetic number, because the mean of its divisors is an integer number (294840).

Almost surely, 2^12303648 is an apocalyptic number.

12303648 is a gapful number since it is divisible by the number (18) 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 12303648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21228480).

12303648 is an abundant number, since it is smaller than the sum of its proper divisors (30153312).

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

12303648 is a wasteful number, since it uses less digits than its factorization.

12303648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 12303648 is about 3507.6556273386. The cubic root of 12303648 is about 230.8578424830.

Adding to 12303648 its reverse (84630321), we get a palindrome (96933969).

The spelling of 12303648 in words is "twelve million, three hundred three thousand, six hundred forty-eight".