12653633 has 2 divisors, whose sum is σ = 12653634. Its totient is φ = 12653632.

The previous prime is 12653629. The next prime is 12653699. The reversal of 12653633 is 33635621.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10291264 + 2362369 = 3208^2 + 1537^2 .

It is a cyclic number.

It is not a de Polignac number, because 12653633 - 2² = 12653629 is a prime.

It is a super-2 number, since 2×12653633² = 320228856197378, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12653596 and 12653605.

It is not a weakly prime, because it can be changed into another prime (12653603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6326816 + 6326817.

It is an arithmetic number, because the mean of its divisors is an integer number (6326817).

Almost surely, 2^12653633 is an apocalyptic number.

It is an amenable number.

12653633 is a deficient number, since it is larger than the sum of its proper divisors (1).

12653633 is an equidigital number, since it uses as much as digits as its factorization.

12653633 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9720, while the sum is 29.

The square root of 12653633 is about 3557.1945406458. The cubic root of 12653633 is about 233.0263743653.

The spelling of 12653633 in words is "twelve million, six hundred fifty-three thousand, six hundred thirty-three".