12733172 has 6 divisors (see below), whose sum is σ = 22283058. Its totient is φ = 6366584.

The previous prime is 12733159. The next prime is 12733177. The reversal of 12733172 is 27133721.

It can be written as a sum of positive squares in only one way, i.e., 9897316 + 2835856 = 3146^2 + 1684^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12733177) by changing a digit.

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 as a sum of consecutive naturals, namely, 1591643 + ... + 1591650.

It is an arithmetic number, because the mean of its divisors is an integer number (3713843).

Almost surely, 2^12733172 is an apocalyptic number.

It is an amenable number.

12733172 is a deficient number, since it is larger than the sum of its proper divisors (9549886).

12733172 is a wasteful number, since it uses less digits than its factorization.

12733172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3183297 (or 3183295 counting only the distinct ones).

The product of its digits is 1764, while the sum is 26.

The square root of 12733172 is about 3568.3570449158. The cubic root of 12733172 is about 233.5136121504.

Adding to 12733172 its reverse (27133721), we get a palindrome (39866893).

The spelling of 12733172 in words is "twelve million, seven hundred thirty-three thousand, one hundred seventy-two".