12730176 has 112 divisors (see below), whose sum is σ = 38404800. Its totient is φ = 4133376.

The previous prime is 12730169. The next prime is 12730283. The reversal of 12730176 is 67103721.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91515 + ... + 91653.

It is an arithmetic number, because the mean of its divisors is an integer number (342900).

Almost surely, 2^12730176 is an apocalyptic number.

12730176 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 12730176, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19202400).

12730176 is an abundant number, since it is smaller than the sum of its proper divisors (25674624).

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

12730176 is a wasteful number, since it uses less digits than its factorization.

12730176 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 12730176 is about 3567.9372191786. The cubic root of 12730176 is about 233.4952961681.

Adding to 12730176 its reverse (67103721), we get a palindrome (79833897).

It can be divided in two parts, 127 and 30176, that added together give a palindrome (30303).

The spelling of 12730176 in words is "twelve million, seven hundred thirty thousand, one hundred seventy-six".