12133197 has 6 divisors (see below), whose sum is σ = 17525742. Its totient is φ = 8088792.

The previous prime is 12133193. The next prime is 12133217. The reversal of 12133197 is 79133121.

12133197 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 only one way, i.e., 9126441 + 3006756 = 3021^2 + 1734^2 .

It is not a de Polignac number, because 12133197 - 2² = 12133193 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12133197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12133193) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 674058 + ... + 674075.

It is an arithmetic number, because the mean of its divisors is an integer number (2920957).

Almost surely, 2^12133197 is an apocalyptic number.

It is an amenable number.

12133197 is a deficient number, since it is larger than the sum of its proper divisors (5392545).

12133197 is a wasteful number, since it uses less digits than its factorization.

12133197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1348139 (or 1348136 counting only the distinct ones).

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

The square root of 12133197 is about 3483.2738910399. The cubic root of 12133197 is about 229.7868030697.

The spelling of 12133197 in words is "twelve million, one hundred thirty-three thousand, one hundred ninety-seven".