12345016 has 8 divisors (see below), whose sum is σ = 23146920. Its totient is φ = 6172504.

The previous prime is 12345001. The next prime is 12345017. The reversal of 12345016 is 61054321.

It is a tau number, because it is divible by the number of its divisors (8).

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 (12345017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 771556 + ... + 771571.

It is an arithmetic number, because the mean of its divisors is an integer number (2893365).

Almost surely, 2^12345016 is an apocalyptic number.

It is an amenable number.

12345016 is a deficient number, since it is larger than the sum of its proper divisors (10801904).

12345016 is a wasteful number, since it uses less digits than its factorization.

12345016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543133 (or 1543129 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 12345016 is about 3513.5474950540. The cubic root of 12345016 is about 231.1162873457.

Adding to 12345016 its reverse (61054321), we get a palindrome (73399337).

The spelling of 12345016 in words is "twelve million, three hundred forty-five thousand, sixteen".