12533197 has 2 divisors, whose sum is σ = 12533198. Its totient is φ = 12533196.

The previous prime is 12533149. The next prime is 12533201. The reversal of 12533197 is 79133521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11964681 + 568516 = 3459^2 + 754^2 .

It is a cyclic number.

It is not a de Polignac number, because 12533197 - 2¹¹ = 12531149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12533117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6266598 + 6266599.

It is an arithmetic number, because the mean of its divisors is an integer number (6266599).

Almost surely, 2^12533197 is an apocalyptic number.

It is an amenable number.

12533197 is a deficient number, since it is larger than the sum of its proper divisors (1).

12533197 is an equidigital number, since it uses as much as digits as its factorization.

12533197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5670, while the sum is 31.

The square root of 12533197 is about 3540.2255577858. The cubic root of 12533197 is about 232.2847091734.

The spelling of 12533197 in words is "twelve million, five hundred thirty-three thousand, one hundred ninety-seven".