12750016 has 56 divisors (see below), whose sum is σ = 26755344. Its totient is φ = 6021120.

The previous prime is 12750011. The next prime is 12750071. The reversal of 12750016 is 61005721.

It is not an unprimeable number, because it can be changed into a prime (12750011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 112776 + ... + 112888.

It is an arithmetic number, because the mean of its divisors is an integer number (477774).

Almost surely, 2^12750016 is an apocalyptic number.

12750016 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12750016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13377672).

12750016 is an abundant number, since it is smaller than the sum of its proper divisors (14005328).

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

12750016 is a wasteful number, since it uses less digits than its factorization.

12750016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 12750016 is about 3570.7164547189. The cubic root of 12750016 is about 233.6165341396.

Adding to 12750016 its reverse (61005721), we get a palindrome (73755737).

The spelling of 12750016 in words is "twelve million, seven hundred fifty thousand, sixteen".