12307488 has 24 divisors (see below), whose sum is σ = 32307408. Its totient is φ = 4102464.

The previous prime is 12307487. The next prime is 12307499. The reversal of 12307488 is 88470321.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (12307481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64006 + ... + 64197.

It is an arithmetic number, because the mean of its divisors is an integer number (1346142).

Almost surely, 2^12307488 is an apocalyptic number.

It is an amenable number.

12307488 is an abundant number, since it is smaller than the sum of its proper divisors (19999920).

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

12307488 is a wasteful number, since it uses less digits than its factorization.

12307488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128216 (or 128208 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 12307488 is about 3508.2029587810. The cubic root of 12307488 is about 230.8818570924.

The spelling of 12307488 in words is "twelve million, three hundred seven thousand, four hundred eighty-eight".