12009448 has 16 divisors (see below), whose sum is σ = 24564960. Its totient is φ = 5458800.

The previous prime is 12009443. The next prime is 12009469. The reversal of 12009448 is 84490021.

It is not an unprimeable number, because it can be changed into a prime (12009443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68148 + ... + 68323.

It is an arithmetic number, because the mean of its divisors is an integer number (1535310).

Almost surely, 2^12009448 is an apocalyptic number.

It is an amenable number.

12009448 is an abundant number, since it is smaller than the sum of its proper divisors (12555512).

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

12009448 is a wasteful number, since it uses less digits than its factorization.

12009448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136488 (or 136484 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 12009448 is about 3465.4650481573. The cubic root of 12009448 is about 229.0029175273.

Adding to 12009448 its reverse (84490021), we get a palindrome (96499469).

It can be divided in two parts, 1200 and 9448, that added together give a cube (10648 = 22³).

The spelling of 12009448 in words is "twelve million, nine thousand, four hundred forty-eight".