12133777 has 2 divisors, whose sum is σ = 12133778. Its totient is φ = 12133776.

The previous prime is 12133769. The next prime is 12133787. The reversal of 12133777 is 77733121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9431041 + 2702736 = 3071^2 + 1644^2 .

It is a cyclic number.

It is not a de Polignac number, because 12133777 - 2³ = 12133769 is a prime.

It is not a weakly prime, because it can be changed into another prime (12133747) 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, 6066888 + 6066889.

It is an arithmetic number, because the mean of its divisors is an integer number (6066889).

Almost surely, 2^12133777 is an apocalyptic number.

It is an amenable number.

12133777 is a deficient number, since it is larger than the sum of its proper divisors (1).

12133777 is an equidigital number, since it uses as much as digits as its factorization.

12133777 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6174, while the sum is 31.

The square root of 12133777 is about 3483.3571450542. The cubic root of 12133777 is about 229.7904644906.

Adding to 12133777 its reverse (77733121), we get a palindrome (89866898).

The spelling of 12133777 in words is "twelve million, one hundred thirty-three thousand, seven hundred seventy-seven".