12345116 has 24 divisors (see below), whose sum is σ = 24780000. Its totient is φ = 5271552.

The previous prime is 12345083. The next prime is 12345121. The reversal of 12345116 is 61154321.

12345116 = 1325² + 1326² + ... + 1331².

It is a junction number, because it is equal to n+sod(n) for n = 12345091 and 12345100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9260 + ... + 10508.

It is an arithmetic number, because the mean of its divisors is an integer number (1032500).

Almost surely, 2^12345116 is an apocalyptic number.

It is an amenable number.

12345116 is an abundant number, since it is smaller than the sum of its proper divisors (12434884).

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

12345116 is a wasteful number, since it uses less digits than its factorization.

12345116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1613 (or 1611 counting only the distinct ones).

The product of its digits is 720, while the sum is 23.

The square root of 12345116 is about 3513.5617256567. The cubic root of 12345116 is about 231.1169113915.

Adding to 12345116 its reverse (61154321), we get a palindrome (73499437).

The spelling of 12345116 in words is "twelve million, three hundred forty-five thousand, one hundred sixteen".