12133747 has 2 divisors, whose sum is σ = 12133748. Its totient is φ = 12133746.

The previous prime is 12133729. The next prime is 12133753. The reversal of 12133747 is 74733121.

It is a strong prime.

It is an emirp because it is prime and its reverse (74733121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12133747 - 2⁷ = 12133619 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12133757) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6066873 + 6066874.

It is an arithmetic number, because the mean of its divisors is an integer number (6066874).

Almost surely, 2^12133747 is an apocalyptic number.

12133747 is a deficient number, since it is larger than the sum of its proper divisors (1).

12133747 is an equidigital number, since it uses as much as digits as its factorization.

12133747 is an odious number, because the sum of its binary digits is odd.

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

The square root of 12133747 is about 3483.3528388609. The cubic root of 12133747 is about 229.7902751096.

Adding to 12133747 its reverse (74733121), we get a palindrome (86866868).

It can be divided in two parts, 12133 and 747, that added together give a triangular number (12880 = T₁₆₀).

The spelling of 12133747 in words is "twelve million, one hundred thirty-three thousand, seven hundred forty-seven".