12803172 has 12 divisors (see below), whose sum is σ = 29874096. Its totient is φ = 4267720.

The previous prime is 12803171. The next prime is 12803173. The reversal of 12803172 is 27130821.

It is an interprime number because it is at equal distance from previous prime (12803171) and next prime (12803173).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×12803172³ (a number of 22 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (12803171) 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 in 3 ways as a sum of consecutive naturals, for example, 533454 + ... + 533477.

It is an arithmetic number, because the mean of its divisors is an integer number (2489508).

Almost surely, 2^12803172 is an apocalyptic number.

12803172 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12803172 is an abundant number, since it is smaller than the sum of its proper divisors (17070924).

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

12803172 is a wasteful number, since it uses less digits than its factorization.

12803172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066938 (or 1066936 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 12803172 is about 3578.1520370158. The cubic root of 12803172 is about 233.9407403450.

Adding to 12803172 its reverse (27130821), we get a palindrome (39933993).

The spelling of 12803172 in words is "twelve million, eight hundred three thousand, one hundred seventy-two".