12133969 has 2 divisors, whose sum is σ = 12133970. Its totient is φ = 12133968.

The previous prime is 12133963. The next prime is 12133973. The reversal of 12133969 is 96933121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8850625 + 3283344 = 2975^2 + 1812^2 .

It is a cyclic number.

It is not a de Polignac number, because 12133969 - 2¹⁹ = 11609681 is a prime.

It is a super-2 number, since 2×12133969² = 294466407385922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12133963) 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, 6066984 + 6066985.

It is an arithmetic number, because the mean of its divisors is an integer number (6066985).

Almost surely, 2^12133969 is an apocalyptic number.

It is an amenable number.

12133969 is a deficient number, since it is larger than the sum of its proper divisors (1).

12133969 is an equidigital number, since it uses as much as digits as its factorization.

12133969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8748, while the sum is 34.

The square root of 12133969 is about 3483.3847045654. The cubic root of 12133969 is about 229.7916765215.

The spelling of 12133969 in words is "twelve million, one hundred thirty-three thousand, nine hundred sixty-nine".