12347616 has 24 divisors (see below), whose sum is σ = 32412744. Its totient is φ = 4115840.

The previous prime is 12347611. The next prime is 12347617. The reversal of 12347616 is 61674321.

It is a tau number, because it is divible by the number of its divisors (24).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12347611) 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 3 ways as a sum of consecutive naturals, for example, 64215 + ... + 64406.

It is an arithmetic number, because the mean of its divisors is an integer number (1350531).

Almost surely, 2^12347616 is an apocalyptic number.

12347616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12347616 is an abundant number, since it is smaller than the sum of its proper divisors (20065128).

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

12347616 is a wasteful number, since it uses less digits than its factorization.

12347616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128634 (or 128626 counting only the distinct ones).

The product of its digits is 6048, while the sum is 30.

The square root of 12347616 is about 3513.9174719962. The cubic root of 12347616 is about 231.1325114415.

The spelling of 12347616 in words is "twelve million, three hundred forty-seven thousand, six hundred sixteen".