12533189 has 4 divisors (see below), whose sum is σ = 12592800. Its totient is φ = 12473580.

The previous prime is 12533149. The next prime is 12533197. The reversal of 12533189 is 98133521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 98133521 = 2293 ⋅42797.

It is a cyclic number.

It is not a de Polignac number, because 12533189 - 2¹² = 12529093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12533149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29489 + ... + 29910.

It is an arithmetic number, because the mean of its divisors is an integer number (3148200).

Almost surely, 2^12533189 is an apocalyptic number.

It is an amenable number.

12533189 is a deficient number, since it is larger than the sum of its proper divisors (59611).

12533189 is an equidigital number, since it uses as much as digits as its factorization.

12533189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59610.

The product of its digits is 6480, while the sum is 32.

The square root of 12533189 is about 3540.2244279141. The cubic root of 12533189 is about 232.2846597505.

The spelling of 12533189 in words is "twelve million, five hundred thirty-three thousand, one hundred eighty-nine".