12017448 has 24 divisors (see below), whose sum is σ = 32547450. Its totient is φ = 4005792.

The previous prime is 12017413. The next prime is 12017449. The reversal of 12017448 is 84471021.

It can be written as a sum of positive squares in only one way, i.e., 10227204 + 1790244 = 3198^2 + 1338^2 .

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 (12017449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 83383 + ... + 83526.

Almost surely, 2^12017448 is an apocalyptic number.

12017448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12017448 is an abundant number, since it is smaller than the sum of its proper divisors (20530002).

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

12017448 is a wasteful number, since it uses less digits than its factorization.

12017448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166921 (or 166914 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 12017448 is about 3466.6191022378. The cubic root of 12017448 is about 229.0537557422.

Adding to 12017448 its reverse (84471021), we get a palindrome (96488469).

It can be divided in two parts, 1201 and 7448, that added together give a square (8649 = 93²).

The spelling of 12017448 in words is "twelve million, seventeen thousand, four hundred forty-eight".