12197133 has 24 divisors (see below), whose sum is σ = 19295640. Its totient is φ = 7378560.

The previous prime is 12197123. The next prime is 12197189. The reversal of 12197133 is 33179121.

12197133 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 887364 + 11309769 = 942^2 + 3363^2 .

It is not a de Polignac number, because 12197133 - 2¹⁰ = 12196109 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12197097 and 12197106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12197113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6283 + ... + 7991.

It is an arithmetic number, because the mean of its divisors is an integer number (803985).

Almost surely, 2^12197133 is an apocalyptic number.

12197133 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12197133 is a deficient number, since it is larger than the sum of its proper divisors (7098507).

12197133 is a wasteful number, since it uses less digits than its factorization.

12197133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1789 (or 1786 counting only the distinct ones).

The product of its digits is 1134, while the sum is 27.

The square root of 12197133 is about 3492.4394053441. The cubic root of 12197133 is about 230.1897174430.

The spelling of 12197133 in words is "twelve million, one hundred ninety-seven thousand, one hundred thirty-three".