12533377 has 2 divisors, whose sum is σ = 12533378. Its totient is φ = 12533376.

The previous prime is 12533371. The next prime is 12533441. The reversal of 12533377 is 77333521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9235521 + 3297856 = 3039^2 + 1816^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12533377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12533371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6266688 + 6266689.

It is an arithmetic number, because the mean of its divisors is an integer number (6266689).

Almost surely, 2^12533377 is an apocalyptic number.

It is an amenable number.

12533377 is a deficient number, since it is larger than the sum of its proper divisors (1).

12533377 is an equidigital number, since it uses as much as digits as its factorization.

12533377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13230, while the sum is 31.

The square root of 12533377 is about 3540.2509798036. The cubic root of 12533377 is about 232.2858211814.

Adding to 12533377 its reverse (77333521), we get a palindrome (89866898).

The spelling of 12533377 in words is "twelve million, five hundred thirty-three thousand, three hundred seventy-seven".