12347964 has 60 divisors (see below), whose sum is σ = 33703824. Its totient is φ = 3934656.

The previous prime is 12347963. The next prime is 12347977. The reversal of 12347964 is 46974321.

12347964 is a `hidden beast` number, since 123 + 479 + 64 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12347963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 6624 + ... + 8280.

Almost surely, 2^12347964 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 12347964, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16851912).

12347964 is an abundant number, since it is smaller than the sum of its proper divisors (21355860).

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

12347964 is a wasteful number, since it uses less digits than its factorization.

12347964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1696 (or 1685 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 12347964 is about 3513.9669890311. The cubic root of 12347964 is about 231.1346828015.

The spelling of 12347964 in words is "twelve million, three hundred forty-seven thousand, nine hundred sixty-four".