12747133 has 4 divisors (see below), whose sum is σ = 14568160. Its totient is φ = 10926108.

The previous prime is 12747131. The next prime is 12747139. The reversal of 12747133 is 33174721.

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: 33174721 = 5641 ⋅5881.

It is a cyclic number.

It is not a de Polignac number, because 12747133 - 2¹ = 12747131 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a zygodrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12747131) 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 in 3 ways as a sum of consecutive naturals, for example, 910503 + ... + 910516.

It is an arithmetic number, because the mean of its divisors is an integer number (3642040).

Almost surely, 2^12747133 is an apocalyptic number.

It is an amenable number.

12747133 is a deficient number, since it is larger than the sum of its proper divisors (1821027).

12747133 is an equidigital number, since it uses as much as digits as its factorization.

12747133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821026.

The product of its digits is 3528, while the sum is 28.

The square root of 12747133 is about 3570.3127314004. The cubic root of 12747133 is about 233.5989245607.

It can be divided in two parts, 12747 and 133, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 12747133 in words is "twelve million, seven hundred forty-seven thousand, one hundred thirty-three".