12243480 has 64 divisors (see below), whose sum is σ = 36966240. Its totient is φ = 3244032.

The previous prime is 12243457. The next prime is 12243541. The reversal of 12243480 is 8434221.

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

It is a self number, because there is not a number n which added to its sum of digits gives 12243480.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 30642 + ... + 31038.

Almost surely, 2^12243480 is an apocalyptic number.

12243480 is a gapful number since it is divisible by the number (10) 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 12243480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18483120).

12243480 is an abundant number, since it is smaller than the sum of its proper divisors (24722760).

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

12243480 is a wasteful number, since it uses less digits than its factorization.

12243480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668 (or 664 counting only the distinct ones).

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

The square root of 12243480 is about 3499.0684474586. The cubic root of 12243480 is about 230.4809093250.

The spelling of 12243480 in words is "twelve million, two hundred forty-three thousand, four hundred eighty".