12345688 has 32 divisors (see below), whose sum is σ = 24284160. Its totient is φ = 5876640.

The previous prime is 12345653. The next prime is 12345701. The reversal of 12345688 is 88654321.

It is a happy number.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a plaindrome in base 10.

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 7 ways as a sum of consecutive naturals, for example, 16245 + ... + 16987.

It is an arithmetic number, because the mean of its divisors is an integer number (758880).

Almost surely, 2^12345688 is an apocalyptic number.

It is an amenable number.

12345688 is a deficient number, since it is larger than the sum of its proper divisors (11938472).

12345688 is a wasteful number, since it uses less digits than its factorization.

12345688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847 (or 843 counting only the distinct ones).

The product of its digits is 46080, while the sum is 37.

The square root of 12345688 is about 3513.6431235969. The cubic root of 12345688 is about 231.1204808688.

The spelling of 12345688 in words is "twelve million, three hundred forty-five thousand, six hundred eighty-eight".