12345676 has 24 divisors (see below), whose sum is σ = 24797696. Its totient is φ = 5268240.

The previous prime is 12345653. The next prime is 12345701. The reversal of 12345676 is 67654321.

It is a happy number.

12345676 is an esthetic number in base 10, because in such base its adjacent digits differ by 1.

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

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, 6775 + ... + 8401.

Almost surely, 2^12345676 is an apocalyptic number.

It is an amenable number.

12345676 is an abundant number, since it is smaller than the sum of its proper divisors (12452020).

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

12345676 is a wasteful number, since it uses less digits than its factorization.

12345676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1909 (or 1907 counting only the distinct ones).

The product of its digits is 30240, while the sum is 34.

The square root of 12345676 is about 3513.6414159672. The cubic root of 12345676 is about 231.1204059857.

Adding to 12345676 its reverse (67654321), we get a palindrome (79999997).

The spelling of 12345676 in words is "twelve million, three hundred forty-five thousand, six hundred seventy-six".