12447960 has 192 divisors, whose sum is σ = 45554400. Its totient is φ = 2709504.

The previous prime is 12447959. The next prime is 12447971. The reversal of 12447960 is 6974421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 170484 + ... + 170556.

Almost surely, 2^12447960 is an apocalyptic number.

12447960 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 12447960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22777200).

12447960 is an abundant number, since it is smaller than the sum of its proper divisors (33106440).

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

12447960 is a wasteful number, since it uses less digits than its factorization.

12447960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130 (or 119 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 12447960 is about 3528.1666627301. The cubic root of 12447960 is about 231.7569293274.

It can be divided in two parts, 124 and 47960, that added together give a palindrome (48084).

The spelling of 12447960 in words is "twelve million, four hundred forty-seven thousand, nine hundred sixty".