12633633 has 12 divisors (see below), whose sum is σ = 18366868. Its totient is φ = 8367840.

The previous prime is 12633631. The next prime is 12633637. The reversal of 12633633 is 33633621.

12633633 is a `hidden beast` number, since 1 + 26 + 3 + 3 + 633 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5992704 + 6640929 = 2448^2 + 2577^2 .

It is not a de Polignac number, because 12633633 - 2¹ = 12633631 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12633597 and 12633606.

It is not an unprimeable number, because it can be changed into a prime (12633631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3058 + ... + 5883.

Almost surely, 2^12633633 is an apocalyptic number.

It is an amenable number.

12633633 is a deficient number, since it is larger than the sum of its proper divisors (5733235).

12633633 is a wasteful number, since it uses less digits than its factorization.

12633633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9104 (or 9101 counting only the distinct ones).

The product of its digits is 5832, while the sum is 27.

The square root of 12633633 is about 3554.3822248036. The cubic root of 12633633 is about 232.9035378360.

The spelling of 12633633 in words is "twelve million, six hundred thirty-three thousand, six hundred thirty-three".