12611633 has 2 divisors, whose sum is σ = 12611634. Its totient is φ = 12611632.

The previous prime is 12611623. The next prime is 12611693. The reversal of 12611633 is 33611621.

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., 8952064 + 3659569 = 2992^2 + 1913^2 .

It is an emirp because it is prime and its reverse (33611621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12611633 - 2⁴ = 12611617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12611599 and 12611608.

It is not a weakly prime, because it can be changed into another prime (12611623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6305816 + 6305817.

It is an arithmetic number, because the mean of its divisors is an integer number (6305817).

Almost surely, 2^12611633 is an apocalyptic number.

It is an amenable number.

12611633 is a deficient number, since it is larger than the sum of its proper divisors (1).

12611633 is an equidigital number, since it uses as much as digits as its factorization.

12611633 is an evil number, because the sum of its binary digits is even.

The product of its digits is 648, while the sum is 23.

The square root of 12611633 is about 3551.2861050611. The cubic root of 12611633 is about 232.7682678276.

The spelling of 12611633 in words is "twelve million, six hundred eleven thousand, six hundred thirty-three".