12403248 has 120 divisors (see below), whose sum is σ = 38122560. Its totient is φ = 3444480.

The previous prime is 12403243. The next prime is 12403249. The reversal of 12403248 is 84230421.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12403243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 89163 + ... + 89301.

It is an arithmetic number, because the mean of its divisors is an integer number (317688).

Almost surely, 2^12403248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12403248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19061280).

12403248 is an abundant number, since it is smaller than the sum of its proper divisors (25719312).

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

12403248 is a wasteful number, since it uses less digits than its factorization.

12403248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 12403248 is about 3521.8245271450. The cubic root of 12403248 is about 231.4791127885.

Adding to 12403248 its reverse (84230421), we get a palindrome (96633669).

The spelling of 12403248 in words is "twelve million, four hundred three thousand, two hundred forty-eight".