12347480 has 32 divisors (see below), whose sum is σ = 27883440. Its totient is φ = 4920960.

The previous prime is 12347471. The next prime is 12347483. The reversal of 12347480 is 8474321.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12347483) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 18350 + ... + 19010.

Almost surely, 2^12347480 is an apocalyptic number.

12347480 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12347480 is an abundant number, since it is smaller than the sum of its proper divisors (15535960).

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

12347480 is a wasteful number, since it uses less digits than its factorization.

12347480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1139 (or 1135 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 12347480 is about 3513.8981203216. The cubic root of 12347480 is about 231.1316628529.

The spelling of 12347480 in words is "twelve million, three hundred forty-seven thousand, four hundred eighty".